2012-12-18 | Mike Pelfrey | Minnesota Twins | Active | Signed to 1-year contract for 2013 ($4m) | P | 6-7 | 190 | R | R | 1984-01-14 | Wichita,KS | 2005- 1- 9-NYN
| MLB | 2006-2017 | 2003-2017 |
2012-12-13 | Kevin Correia | Minnesota Twins | Active | Signed to 2-year contract for 2013-2014 ($10m) | P | 6-3 | 180 | R | R | 1980-08-24 | San Diego,CA | 2002- 4- 127-SFN
| MLB | 2003-2015 | 2000-2015 |
2012-12-06 | Ryan Pressly | Minnesota Twins | Active | Drafted from Red Sox by Twins in Rule 5 Draft | P | 6-2 | 206 | R | R | 1988-12-15 | Dallas,TX | 2007- 11- 354-BOS
| MLB | 2013-2020 | 2008-2020 |
2012-12-06 | Vance Worley | Minnesota Twins | Active | Traded from Phillies with Trevor May to Twins for Ben Revere | P | 6-2 | 220 | R | R | 1987-09-25 | Sacramento,CA | 2008- 3- 102-PHI
| MLB | 2010-2017 | 2006-2018 |
2012-12-06 | Trevor May | Minnesota Twins | Active | Traded from Phillies with Vance Worley to Twins for Ben Revere | P | 6-5 | 240 | R | R | 1989-09-23 | Kelso,WA | 2008- 4- 136-PHI
| MLB | 2014-2020 | 2008-2020 |
2012-12-06 | Jared Burton | Minnesota Twins | Active | Signed to 2-year contract ($5.5m) to avoid arbitration with club option for 2015 | P | 6-5 | 220 | R | R | 1981-06-02 | Westminster,SC | 2002- 8- 248-OAK
| MLB | 2007-2014 | 2000-2015 |
2012-11-20 | Kyle Gibson | Minnesota Twins | Active | Contract purchased from Minors | P | 6-6 | 215 | R | R | 1987-10-23 | Greenfield,IN | 2009- 1- 22-MIN
| MLB | 2013-2020 | 2007-2020 |
2012-11-20 | Tim Wood | Minnesota Twins | Active | Contract purchased from Minors | P | 6-0 | 180 | R | R | 1982-11-16 | Casper,WY | 2002- 44-1310-MIA
| MLB | 2009-2011 | 2003-2013 |
2012-11-20 | Caleb Thielbar | Minnesota Twins | Active | Contract purchased from Minors | P | 6-0 | 205 | L | R | 1987-01-31 | Northfield,MN | 2009- 18- 556-MIL
| MLB | 2013-2020 | 2006-2020 |
2012-11-20 | Aaron Hicks | Minnesota Twins | Active | Contract purchased from Minors | CF-OF | 6-1 | 205 | B | R | 1989-10-02 | Long Beach,CA | 2008- 1- 14-MIN
| MLB | 2013-2020 | 2008-2020 |
2012-11-20 | Josmil Pinto | Minnesota Twins | Active | Contract purchased from Minors | C-1B | 5-11 | 175 | R | R | 1989-03-31 | Valencia,VZ | 2006- 0- 0-MIN
| MLB | 2013-2016 | 2008-2016 |
2012-11-20 | B.J. Hermsen | Minnesota Twins | Active | Contract purchased from Minors | P | 6-6 | 230 | R | R | 1989-12-01 | Masonville,IA | 2008- 6- 186-MIN
| AA | | 2009-2014 |
2012-11-20 | Danny Santana | Minnesota Twins | Active | Contract purchased from Minors | CF-1B | 5-11 | 195 | B | R | 1990-11-07 | Monte Plata,DR | 2007- 0- 0-MIN
| MLB | 2014-2020 | 2009-2020 |
2012-11-20 | Mike Tonkin | Minnesota Twins | Active | Contract purchased from Minors | P | 6-7 | 215 | R | R | 1989-11-19 | Palmdale,CA | 2008- 30- 906-MIN
| MLB | 2013-2017 | 2008-2019 |
2012-11-12 | Oswaldo Arcia | Minnesota Twins | Active | Added to active roster | RF-LF | 6-0 | 210 | B | R | 1991-05-09 | Anaco,VZ | 2007- 0- 0-MIN
| MLB | 2013-2016 | 2009-2019 |
2012-11-12 | Joe Benson | Minnesota Twins | Active | --- | CF-RF | 6-2 | 210 | R | R | 1988-03-05 | Joliet,IL | 2006- 2- 64-MIN
| MLB | 2011-2011 | 2006-2019 |
2012-11-12 | Deolis Guerra | Minnesota Twins | Active | --- | P | 6-5 | 200 | R | R | 1989-04-17 | San Felix,VZ | 2005- 0- 0-NYN
| MLB | 2015-2020 | 2006-2020 |
2012-11-12 | Pedro Hernandez | Minnesota Twins | Active | --- | P | 5-10 | 200 | L | L | 1989-04-12 | Barquisimeto,VZ | 2006- 0- 0-SDN
| MLB | 2012-2014 | 2009-2018 |
2012-11-12 | Lester Oliveros | Minnesota Twins | Active | --- | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-11-02 | Tommy Field | Minnesota Twins | Active | Claimed off waivers from Rockies by Twins | SS-2B | 5-10 | 180 | R | R | 1987-02-22 | Austin,TX | 2008- 24- 737-COL
| MLB | 2011-2015 | 2006-2017 |
2012-11-02 | Josh Roenicke | Minnesota Twins | Active | Claimed off waivers from Rockies by Twins | P | 6-3 | 195 | R | R | 1982-08-04 | Nevada City,NV | 2006- 10- 294-CIN
| MLB | 2008-2013 | 2003-2017 |
2012-10-25 | Scott Baker | Minnesota Twins | Active | Activated from DL | P | 6-4 | 190 | R | R | 1981-09-19 | Shreveport,LA | 2003- 2- 58-MIN
| MLB | 2005-2015 | 2001-2015 |
2012-10-25 | Carl Pavano | Minnesota Twins | Active | Activated from DL | P | 6-5 | 230 | R | R | 1976-01-08 | New Britain,CT | 1994- 13- 355-BOS
| MLB | 1998-2012 | 1994-2012 |
2012-10-23 | Cole Devries | Minnesota Twins | Active | Activated from DL | P | 6-2 | 185 | R | R | 1985-02-12 | St. Louis Park,MN | 2006- 0- 0-MIN
| MLB | 2012-2013 | 2004-2013 |
2012-10-08 | Carlos Gutierrez | Minnesota Twins | Minors | Activated from DL | P | 6-1 | 185 | R | R | 1986-09-22 | Miami,FL | 2008- 1- 27-MIN
| AAA | | 2008-2013 |
2012-10-08 | Pedro Hernandez | Minnesota Twins | Minors | Activated from DL | P | 5-10 | 200 | L | L | 1989-04-12 | Barquisimeto,VZ | 2006- 0- 0-SDN
| MLB | 2012-2014 | 2009-2018 |
2012-10-08 | Lester Oliveros | Minnesota Twins | Minors | Activated from DL | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-10-04 | Brian Dozier | Minnesota Twins | Active | Recalled from Rochester (AAA) | 2B-P- | 5-11 | 185 | R | R | 1987-05-15 | Fulton,MS | 2009- 8- 252-MIN
| MLB | 2012-2020 | 2006-2020 |
2012-09-29 | Tsuyoshi Nishioka | --- | Free Agt | Released by Twins | 2b-SS | 6-0 | 165 | L | R | 1984-07-27 | Kyoto,JP | 2010- 0- 0-MIN
| MLB | 2011-2012 | 2003-2018 |
2012-09-25 | Matt Capps | Minnesota Twins | Active | Activated from DL | P | 6-2 | 220 | R | R | 1983-09-03 | Douglasville,GA | 2002- 7- 193-PIT
| MLB | 2005-2012 | 2002-2016 |
2012-09-15 | Chris Herrmann | Minnesota Twins | Active | Contract purchased from New Britain (AA) | C-LF | 6-0 | 180 | L | R | 1987-11-24 | Tomball,TX | 2009- 6- 192-MIN
| MLB | 2012-2019 | 2009-2019 |
2012-09-15 | Cole Devries | Minnesota Twins | DL-15 | DL-15 Cracked rib | P | 6-2 | 185 | R | R | 1985-02-12 | St. Louis Park,MN | 2006- 0- 0-MIN
| MLB | 2012-2013 | 2004-2013 |
2012-09-14 | Denard Span | Minnesota Twins | Active | Activated from DL | OF-LF | 6-1 | 180 | L | L | 1984-02-27 | Tampa,FL | 2002- 1- 20-MIN
| MLB | 2008-2018 | 2003-2018 |
2012-09-04 | Eduardo Escobar | Minnesota Twins | Active | Recalled from Rochester (AAA) | 3B-2B | 5-10 | 210 | B | R | 1989-01-05 | Villa de Cura,CU | 2006- 0- 0-CHA
| MLB | 2011-2020 | 2008-2020 |
2012-09-04 | Luis Perdomo | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-0 | 170 | R | R | 1984-04-27 | San Cristobal,DR | 2003- 0- 0-CLE
| MLB | 2009-2012 | 2006-2016 |
2012-09-04 | Scott Diamond | Minnesota Twins | Active | Reinstated from suspension | P | 6-3 | 190 | L | L | 1986-07-30 | Guelph,ON | 2007- 0- 0-ATL
| MLB | 2011-2016 | 2005-2016 |
2012-09-01 | P.J. Walters | Minnesota Twins | Active | Activated from DL | P | 6-4 | 200 | R | R | 1985-03-12 | Dothan,AL | 2006- 11- 346-SLN
| MLB | 2009-2013 | 2004-2015 |
2012-09-01 | Esmerling Vasquez | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | P | 6-1 | 154 | R | R | 1983-11-07 | Tenares,DR | 2003- 0- 0-ARI
| MLB | 2009-2012 | 2004-2019 |
2012-08-31 | Matt Carson | Minnesota Twins | Active | Recalled from Rochester (AAA) | OF-RF | 6-2 | 200 | R | R | 1981-07-01 | Newport Beach,CA | 2002- 5- 156-NYA
| MLB | 2009-2013 | 2001-2015 |
2012-08-31 | Denard Span | Minnesota Twins | DL-15 | DL-15 Strained right sternoclavicular joint | OF-LF | 6-1 | 180 | L | L | 1984-02-27 | Tampa,FL | 2002- 1- 20-MIN
| MLB | 2008-2018 | 2003-2018 |
2012-08-29 | Chris Parmelee | Minnesota Twins | Active | Recalled from Rochester (AAA) | 1B-LF | 6-1 | 223 | L | L | 1988-02-24 | Long Beach,CA | 2006- 1- 20-MIN
| MLB | 2011-2016 | 2006-2019 |
2012-08-25 | Scott Diamond | Minnesota Twins | Restr | Suspended 6 games for throwing at Josh Hamilton | P | 6-3 | 190 | L | L | 1986-07-30 | Guelph,ON | 2007- 0- 0-ATL
| MLB | 2011-2016 | 2005-2016 |
2012-08-24 | Kyle Waldrop | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-4 | 190 | R | R | 1985-10-27 | Knoxville,TN | 2004- 1- 25-MIN
| MLB | 2011-2012 | 2004-2013 |
2012-08-24 | Matt Carson | Minnesota Twins | Minors | Optioned to Rochester (AAA) | OF-RF | 6-2 | 200 | R | R | 1981-07-01 | Newport Beach,CA | 2002- 5- 156-NYA
| MLB | 2009-2013 | 2001-2015 |
2012-08-23 | Pedro Hernandez | Minnesota Twins | DL-7 | DL-7 Injured | P | 5-10 | 200 | L | L | 1989-04-12 | Barquisimeto,VZ | 2006- 0- 0-SDN
| MLB | 2012-2014 | 2009-2018 |
2012-08-22 | Liam Hendriks | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-0 | 230 | R | R | 1989-02-10 | Perth,AU | 2007- 0- 0-MIN
| MLB | 2011-2020 | 2007-2020 |
2012-08-17 | Matt Carson | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | OF-RF | 6-2 | 200 | R | R | 1981-07-01 | Newport Beach,CA | 2002- 5- 156-NYA
| MLB | 2009-2013 | 2001-2015 |
2012-08-17 | Anthony Swarzak | Minnesota Twins | Active | Activated from DL | P | 6-3 | 195 | R | R | 1985-09-10 | Fort Lauderdale,FL | 2004- 2- 61-MIN
| MLB | 2009-2019 | 2004-2019 |
2012-08-17 | Eric Hurley | --- | Free Agt | Released by Twins | P | 6-4 | 195 | R | R | 1985-09-17 | Jacksonville,FL | 2004- 1- 30-TEX
| MLB | 2008-2008 | 2004-2012 |
2012-08-16 | Jeff Manship | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-0 | 165 | R | R | 1985-01-16 | San Antonio,TX | 2006- 14- 426-MIN
| MLB | 2009-2016 | 2004-2016 |
2012-08-16 | Luis Perdomo | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-0 | 170 | R | R | 1984-04-27 | San Cristobal,DR | 2003- 0- 0-CLE
| MLB | 2009-2012 | 2006-2016 |
2012-08-15 | Pedro Florimon | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | 3B-1B | 6-2 | 165 | B | R | 1986-12-10 | La Romana,DR | 2004- 0- 0-BAL
| MLB | 2011-2018 | 2006-2019 |
2012-08-15 | Brian Dozier | Minnesota Twins | Minors | Optioned to Rochester (AAA) | 2B-P- | 5-11 | 185 | R | R | 1987-05-15 | Fulton,MS | 2009- 8- 252-MIN
| MLB | 2012-2020 | 2006-2020 |
2012-08-13 | Tsuyoshi Nishioka | Minnesota Twins | Minors | Optioned to Rochester (AAA) | 2b-SS | 6-0 | 165 | L | R | 1984-07-27 | Kyoto,JP | 2010- 0- 0-MIN
| MLB | 2011-2012 | 2003-2018 |
2012-08-13 | Trevor Plouffe | Minnesota Twins | Active | Activated from DL | 2B-1B | 6-1 | 175 | R | R | 1986-06-15 | West Hills,CA | 2004- 1- 20-MIN
| MLB | 2010-2018 | 2004-2018 |
2012-08-11 | Trevor Plouffe | Minnesota Twins | DL-15 | Assigned to Rochester (AAA) for rehab | 2B-1B | 6-1 | 175 | R | R | 1986-06-15 | West Hills,CA | 2004- 1- 20-MIN
| MLB | 2010-2018 | 2004-2018 |
2012-08-05 | Tsuyoshi Nishioka | Minnesota Twins | Active | Recalled from Rochester (AAA) | 2b-SS | 6-0 | 165 | L | R | 1984-07-27 | Kyoto,JP | 2010- 0- 0-MIN
| MLB | 2011-2012 | 2003-2018 |
2012-08-03 | Lester Oliveros | Minnesota Twins | DL-7 | DL-7 Injured | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-07-30 | Jeff Manship | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-0 | 165 | R | R | 1985-01-16 | San Antonio,TX | 2006- 14- 426-MIN
| MLB | 2009-2016 | 2004-2016 |
2012-07-29 | Eduardo Escobar | Minnesota Twins | Minors | Traded from White Sox with Pedro Hernandez to Twins for Francisco Liriano | 3B-2B | 5-10 | 210 | B | R | 1989-01-05 | Villa de Cura,CU | 2006- 0- 0-CHA
| MLB | 2011-2020 | 2008-2020 |
2012-07-29 | Pedro Hernandez | Minnesota Twins | Minors | Traded from White Sox with Eduardo Escobar to Twins for Francisco Liriano | P | 5-10 | 200 | L | L | 1989-04-12 | Barquisimeto,VZ | 2006- 0- 0-SDN
| MLB | 2012-2014 | 2009-2018 |
2012-07-28 | Danny Valencia | Minnesota Twins | Active | Recalled from Rochester (AAA) | 3B-OF | 6-2 | 200 | R | R | 1984-09-19 | Boca Raton,FL | 2006- 19- 576-MIN
| MLB | 2010-2018 | 2004-2018 |
2012-07-27 | Luis Perdomo | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | P | 6-0 | 170 | R | R | 1984-04-27 | San Cristobal,DR | 2003- 0- 0-CLE
| MLB | 2009-2012 | 2006-2016 |
2012-07-27 | Trevor Plouffe | Minnesota Twins | DL-15 | DL-15 Bruised right thumb [Jammed on inside pitch] | 2B-1B | 6-1 | 175 | R | R | 1986-06-15 | West Hills,CA | 2004- 1- 20-MIN
| MLB | 2010-2018 | 2004-2018 |
2012-07-26 | Anthony Swarzak | Minnesota Twins | DL-15 | DL-15 Mild right rotator cuff strain | P | 6-3 | 195 | R | R | 1985-09-10 | Fort Lauderdale,FL | 2004- 2- 61-MIN
| MLB | 2009-2019 | 2004-2019 |
2012-07-26 | Deolis Guerra | Minnesota Twins | Minors | Activated from DL | P | 6-5 | 200 | R | R | 1989-04-17 | San Felix,VZ | 2005- 0- 0-NYN
| MLB | 2015-2020 | 2006-2020 |
2012-07-24 | Justin Morneau | Minnesota Twins | Active | Activated from Paternity Leave List | 1B-DH | 6-4 | 205 | L | R | 1981-05-15 | New Westminster,BC | 1999- 3- 89-MIN
| MLB | 2003-2016 | 1999-2016 |
2012-07-24 | Chris Parmelee | Minnesota Twins | Minors | Optioned to Rochester (AAA) | 1B-LF | 6-1 | 223 | L | L | 1988-02-24 | Long Beach,CA | 2006- 1- 20-MIN
| MLB | 2011-2016 | 2006-2019 |
2012-07-21 | Justin Morneau | Minnesota Twins | Pat Lv | Placed on Paternity Leave list | 1B-DH | 6-4 | 205 | L | R | 1981-05-15 | New Westminster,BC | 1999- 3- 89-MIN
| MLB | 2003-2016 | 1999-2016 |
2012-07-21 | Chris Parmelee | Minnesota Twins | Active | Recalled from Rochester (AAA) | 1B-LF | 6-1 | 223 | L | L | 1988-02-24 | Long Beach,CA | 2006- 1- 20-MIN
| MLB | 2011-2016 | 2006-2019 |
2012-07-20 | Rene Tosoni | Minnesota Twins | Minors | Assigned to New Britain (AA) | RF-CF | 6-0 | 205 | L | R | 1986-07-02 | Toronto,ON | 2005- 36-1095-MIN
| MLB | 2011-2011 | 2007-2016 |
2012-07-18 | Nick Blackburn | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-4 | 230 | R | R | 1982-02-24 | Ada,OK | 2001- 29- 857-MIN
| MLB | 2007-2012 | 2002-2013 |
2012-07-17 | Matt Capps | Minnesota Twins | DL-15 | DL-15 Right rotator cuff irritation | P | 6-2 | 220 | R | R | 1983-09-03 | Douglasville,GA | 2002- 7- 193-PIT
| MLB | 2005-2012 | 2002-2016 |
2012-07-16 | Joe Benson | Minnesota Twins | Minors | Assigned to New Britain (AA) | CF-RF | 6-2 | 210 | R | R | 1988-03-05 | Joliet,IL | 2006- 2- 64-MIN
| MLB | 2011-2011 | 2006-2019 |
2012-07-15 | Rene Tosoni | Minnesota Twins | Minors | Assigned to Fort Myers (A+) | RF-CF | 6-0 | 205 | L | R | 1986-07-02 | Toronto,ON | 2005- 36-1095-MIN
| MLB | 2011-2011 | 2007-2016 |
2012-07-14 | Lester Oliveros | Minnesota Twins | Minors | Activated from DL | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-07-13 | Matt Capps | Minnesota Twins | Active | Activated from DL | P | 6-2 | 220 | R | R | 1983-09-03 | Douglasville,GA | 2002- 7- 193-PIT
| MLB | 2005-2012 | 2002-2016 |
2012-07-12 | Kyle Waldrop | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-4 | 190 | R | R | 1985-10-27 | Knoxville,TN | 2004- 1- 25-MIN
| MLB | 2011-2012 | 2004-2013 |
2012-07-10 | Rene Tosoni | Minnesota Twins | Minors | Assigned to Gulf Coast Twins (Rk) | RF-CF | 6-0 | 205 | L | R | 1986-07-02 | Toronto,ON | 2005- 36-1095-MIN
| MLB | 2011-2011 | 2007-2016 |
2012-07-09 | Matt Capps | Minnesota Twins | DL-15 | Assigned to Fort Myers (A+) for rehab | P | 6-2 | 220 | R | R | 1983-09-03 | Douglasville,GA | 2002- 7- 193-PIT
| MLB | 2005-2012 | 2002-2016 |
2012-07-07 | Joe Benson | Minnesota Twins | Minors | Assigned to Fort Myers (A+) | CF-RF | 6-2 | 210 | R | R | 1988-03-05 | Joliet,IL | 2006- 2- 64-MIN
| MLB | 2011-2011 | 2006-2019 |
2012-07-06 | Samuel Deduno | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | P | 6-1 | 150 | R | R | 1983-07-02 | La Romana,DR | 2003- 0- 0-COL
| MLB | 2010-2015 | 2004-2016 |
2012-07-06 | Deolis Guerra | Minnesota Twins | DL-7 | DL-7 Injured | P | 6-5 | 200 | R | R | 1989-04-17 | San Felix,VZ | 2005- 0- 0-NYN
| MLB | 2015-2020 | 2006-2020 |
2012-07-04 | Nick Blackburn | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-4 | 230 | R | R | 1982-02-24 | Ada,OK | 2001- 29- 857-MIN
| MLB | 2007-2012 | 2002-2013 |
2012-07-04 | Casey Fien | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | P | 6-2 | 195 | R | R | 1983-10-21 | Santa Rosa,CA | 2006- 20- 592-DET
| MLB | 2009-2017 | 2005-2017 |
2012-07-03 | Liam Hendriks | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-0 | 230 | R | R | 1989-02-10 | Perth,AU | 2007- 0- 0-MIN
| MLB | 2011-2020 | 2007-2020 |
2012-07-03 | Cole Devries | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-2 | 185 | R | R | 1985-02-12 | St. Louis Park,MN | 2006- 0- 0-MIN
| MLB | 2012-2013 | 2004-2013 |
2012-07-02 | P.J. Walters | Minnesota Twins | DL-15 | Assigned to Rochester (AAA) for rehab | P | 6-4 | 200 | R | R | 1985-03-12 | Dothan,AL | 2006- 11- 346-SLN
| MLB | 2009-2013 | 2004-2015 |
2012-06-30 | Ryan Doumit | Minnesota Twins | Active | Signed to 2-year contract extension 2013-2014 ($7m) | C-DH | 6-0 | 180 | B | R | 1981-04-03 | Moses Lake,WA | 1999- 2- 59-PIT
| MLB | 2005-2014 | 1999-2014 |
2012-06-30 | Cole Devries | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-2 | 185 | R | R | 1985-02-12 | St. Louis Park,MN | 2006- 0- 0-MIN
| MLB | 2012-2013 | 2004-2013 |
2012-06-30 | Cole Devries | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-2 | 185 | R | R | 1985-02-12 | St. Louis Park,MN | 2006- 0- 0-MIN
| MLB | 2012-2013 | 2004-2013 |
2012-06-28 | Joe Benson | Minnesota Twins | Minors | Assigned to Gulf Coast Twins (Rk) | CF-RF | 6-2 | 210 | R | R | 1988-03-05 | Joliet,IL | 2006- 2- 64-MIN
| MLB | 2011-2011 | 2006-2019 |
2012-06-27 | Jeff Manship | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-0 | 165 | R | R | 1985-01-16 | San Antonio,TX | 2006- 14- 426-MIN
| MLB | 2009-2016 | 2004-2016 |
2012-06-27 | Kyle Waldrop | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-4 | 190 | R | R | 1985-10-27 | Knoxville,TN | 2004- 1- 25-MIN
| MLB | 2011-2012 | 2004-2013 |
2012-06-25 | Matt Capps | Minnesota Twins | DL-15 | DL-15 Right shoulder discomfort | P | 6-2 | 220 | R | R | 1983-09-03 | Douglasville,GA | 2002- 7- 193-PIT
| MLB | 2005-2012 | 2002-2016 |
2012-06-25 | Tyler Robertson | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-5 | 225 | L | L | 1987-12-23 | Simi Valley,CA | 2006- 3- 96-MIN
| MLB | 2012-2013 | 2006-2014 |
2012-06-21 | Lester Oliveros | Minnesota Twins | DL-7 | DL-7 Right elbow | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-06-21 | Carlos Gutierrez | Minnesota Twins | DL-7 | DL-7 Right shoulder | P | 6-1 | 185 | R | R | 1986-09-22 | Miami,FL | 2008- 1- 27-MIN
| AAA | | 2008-2013 |
2012-06-19 | Oswaldo Arcia | Minnesota Twins | Minors | Assigned to New Britain (AA) | RF-LF | 6-0 | 210 | B | R | 1991-05-09 | Anaco,VZ | 2007- 0- 0-MIN
| MLB | 2013-2016 | 2009-2019 |
2012-06-16 | Lester Oliveros | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-06-16 | Liam Hendriks | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-0 | 230 | R | R | 1989-02-10 | Perth,AU | 2007- 0- 0-MIN
| MLB | 2011-2020 | 2007-2020 |
2012-06-14 | Lester Oliveros | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-06-14 | P.J. Walters | Minnesota Twins | DL-15 | DL-15 Right shoulder inflammation | P | 6-4 | 200 | R | R | 1985-03-12 | Dothan,AL | 2006- 11- 346-SLN
| MLB | 2009-2013 | 2004-2015 |
2012-06-14 | Kyle Waldrop | Minnesota Twins | Minors | Assigned to Rochester (AAA) | P | 6-4 | 190 | R | R | 1985-10-27 | Knoxville,TN | 2004- 1- 25-MIN
| MLB | 2011-2012 | 2004-2013 |
2012-06-07 | Cole Devries | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-2 | 185 | R | R | 1985-02-12 | St. Louis Park,MN | 2006- 0- 0-MIN
| MLB | 2012-2013 | 2004-2013 |
2012-06-07 | Chris Parmelee | Minnesota Twins | Active | Recalled from Rochester (AAA) | 1B-LF | 6-1 | 223 | L | L | 1988-02-24 | Long Beach,CA | 2006- 1- 20-MIN
| MLB | 2011-2016 | 2006-2019 |
2012-06-04 | Carl Pavano | Minnesota Twins | DL-15 | DL-15 Strained right shoulder | P | 6-5 | 230 | R | R | 1976-01-08 | New Britain,CT | 1994- 13- 355-BOS
| MLB | 1998-2012 | 1994-2012 |
2012-06-04 | Nick Blackburn | Minnesota Twins | Active | Activated from DL | P | 6-4 | 230 | R | R | 1982-02-24 | Ada,OK | 2001- 29- 857-MIN
| MLB | 2007-2012 | 2002-2013 |
2012-06-02 | Kyle Waldrop | Minnesota Twins | Active | Activated from DL | P | 6-4 | 190 | R | R | 1985-10-27 | Knoxville,TN | 2004- 1- 25-MIN
| MLB | 2011-2012 | 2004-2013 |
2012-05-27 | Jeff Manship | Minnesota Twins | Active | Recalled from Rochester (AAA) | P | 6-0 | 165 | R | R | 1985-01-16 | San Antonio,TX | 2006- 14- 426-MIN
| MLB | 2009-2016 | 2004-2016 |
2012-05-26 | Jason Marquis | --- | Free Agt | Released by Twins | P | 6-1 | 185 | L | R | 1978-08-21 | Manhasset,NY | 1996- 1- 35-ATL
| MLB | 2000-2015 | 1996-2015 |
2012-05-25 | Deolis Guerra | Minnesota Twins | Minors | --- | P | 6-5 | 200 | R | R | 1989-04-17 | San Felix,VZ | 2005- 0- 0-NYN
| MLB | 2015-2020 | 2006-2020 |
2012-05-25 | Carlos Gutierrez | Minnesota Twins | Minors | --- | P | 6-1 | 185 | R | R | 1986-09-22 | Miami,FL | 2008- 1- 27-MIN
| AAA | | 2008-2013 |
2012-05-25 | Lester Oliveros | Minnesota Twins | Minors | --- | P | 6-0 | 185 | R | R | 1988-05-28 | Maracay,VZ | 2005- 0- 0-DET
| MLB | 2011-2014 | 2008-2015 |
2012-05-25 | Tyler Robertson | Minnesota Twins | Minors | --- | P | 6-5 | 225 | L | L | 1987-12-23 | Simi Valley,CA | 2006- 3- 96-MIN
| MLB | 2012-2013 | 2006-2014 |
2012-05-25 | Tsuyoshi Nishioka | Minnesota Twins | Minors | --- | 2b-SS | 6-0 | 165 | L | R | 1984-07-27 | Kyoto,JP | 2010- 0- 0-MIN
| MLB | 2011-2012 | 2003-2018 |
2012-05-25 | Rene Tosoni | Minnesota Twins | Minors | --- | RF-CF | 6-0 | 205 | L | R | 1986-07-02 | Toronto,ON | 2005- 36-1095-MIN
| MLB | 2011-2011 | 2007-2016 |
2012-05-22 | Cole Devries | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | P | 6-2 | 185 | R | R | 1985-02-12 | St. Louis Park,MN | 2006- 0- 0-MIN
| MLB | 2012-2013 | 2004-2013 |
2012-05-17 | Ben Revere | Minnesota Twins | Active | Recalled from Rochester (AAA) | LF-CF | 5-9 | 166 | L | R | 1988-05-03 | Lexington,KY | 2007- 1- 28-MIN
| MLB | 2010-2017 | 2007-2019 |
2012-05-17 | Ryan Doumit | Minnesota Twins | Active | --- | C-DH | 6-0 | 180 | B | R | 1981-04-03 | Moses Lake,WA | 1999- 2- 59-PIT
| MLB | 2005-2014 | 1999-2014 |
2012-05-17 | Nick Blackburn | Minnesota Twins | DL-15 | DL-15 Strained left quadriceps | P | 6-4 | 230 | R | R | 1982-02-24 | Ada,OK | 2001- 29- 857-MIN
| MLB | 2007-2012 | 2002-2013 |
2012-05-15 | Justin Morneau | Minnesota Twins | Active | Activated from DL | 1B-DH | 6-4 | 205 | L | R | 1981-05-15 | New Westminster,BC | 1999- 3- 89-MIN
| MLB | 2003-2016 | 1999-2016 |
2012-05-14 | Joe Thurston | --- | Free Agt | Released by Twins | 2B-SS | 5-11 | 175 | L | R | 1979-09-29 | Fairfield,CA | 1999- 4- 134-LAN
| MLB | 2002-2011 | 1999-2014 |
2012-05-10 | Danny Valencia | Minnesota Twins | Minors | Assigned to Rochester (AAA) | 3B-OF | 6-2 | 200 | R | R | 1984-09-19 | Boca Raton,FL | 2006- 19- 576-MIN
| MLB | 2010-2018 | 2004-2018 |
2012-05-10 | Darin Mastroianni | Minnesota Twins | Active | Recalled from Rochester (AAA) | CF-LF | 5-11 | 190 | R | R | 1985-08-26 | Mount Kisco,NY | 2007- 16- 505-TOR
| MLB | 2011-2016 | 2005-2016 |
2012-05-10 | P.J. Walters | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | P | 6-4 | 200 | R | R | 1985-03-12 | Dothan,AL | 2006- 11- 346-SLN
| MLB | 2009-2013 | 2004-2015 |
2012-05-10 | Matt Maloney | Minnesota Twins | DFA | Designated for Assignment | P | 6-4 | 220 | L | L | 1984-01-16 | Sandusky,OH | 2005- 3- 97-PHI
| MLB | 2009-2012 | 2004-2015 |
2012-05-10 | Ryan Doumit | Minnesota Twins | Active | --- | C-DH | 6-0 | 180 | B | R | 1981-04-03 | Moses Lake,WA | 1999- 2- 59-PIT
| MLB | 2005-2014 | 1999-2014 |
2012-05-07 | Nick Blackburn | Minnesota Twins | Active | --- | P | 6-4 | 230 | R | R | 1982-02-24 | Ada,OK | 2001- 29- 857-MIN
| MLB | 2007-2012 | 2002-2013 |
2012-05-07 | Alex Burnett | Minnesota Twins | Active | --- | P | 6-0 | 190 | R | R | 1987-07-26 | Anaheim,CA | 2005- 12- 375-MIN
| MLB | 2010-2013 | 2005-2015 |
2012-05-07 | Scott Diamond | Minnesota Twins | Active | --- | P | 6-3 | 190 | L | L | 1986-07-30 | Guelph,ON | 2007- 0- 0-ATL
| MLB | 2011-2016 | 2005-2016 |
2012-05-07 | Brian Duensing | Minnesota Twins | Active | --- | P-LF- | 5-11 | 195 | L | L | 1983-02-22 | Marysville,KS | 2005- 3- 84-MIN
| MLB | 2009-2018 | 2002-2019 |
2012-05-07 | Jeff Gray | Minnesota Twins | Active | --- | P | 6-3 | 205 | R | R | 1981-11-19 | Alvin,TX | 2004- 32- 967-OAK
| MLB | 2008-2012 | 2001-2013 |
2012-05-07 | Francisco Liriano | Minnesota Twins | Active | --- | P | 6-2 | 185 | L | L | 1983-10-26 | San Cristobal,DR | 2000- 0- 0-SFN
| MLB | 2005-2019 | 2001-2019 |
2012-05-07 | Matt Maloney | Minnesota Twins | Active | --- | P | 6-4 | 220 | L | L | 1984-01-16 | Sandusky,OH | 2005- 3- 97-PHI
| MLB | 2009-2012 | 2004-2015 |
2012-05-07 | Carl Pavano | Minnesota Twins | Active | --- | P | 6-5 | 230 | R | R | 1976-01-08 | New Britain,CT | 1994- 13- 355-BOS
| MLB | 1998-2012 | 1994-2012 |
2012-05-07 | Glen Perkins | Minnesota Twins | Active | --- | P | 5-11 | 190 | L | L | 1983-03-02 | Stillwater,MN | 2004- 1- 22-MIN
| MLB | 2006-2017 | 2003-2017 |
2012-05-07 | Ryan Doumit | Minnesota Twins | Active | --- | C-DH | 6-0 | 180 | B | R | 1981-04-03 | Moses Lake,WA | 1999- 2- 59-PIT
| MLB | 2005-2014 | 1999-2014 |
2012-05-07 | Alexi Casilla | Minnesota Twins | Active | --- | 2B-SS | 5-9 | 178 | B | R | 1984-07-20 | San Cristobal,DR | 2003- 0- 0-ANA
| MLB | 2006-2014 | 2004-2019 |
2012-05-07 | Denard Span | Minnesota Twins | Active | --- | OF-LF | 6-1 | 180 | L | L | 1984-02-27 | Tampa,FL | 2002- 1- 20-MIN
| MLB | 2008-2018 | 2003-2018 |
2012-05-07 | Josh Willingham | Minnesota Twins | Active | --- | LF-C | 6-1 | 200 | R | R | 1979-02-17 | Florence,AL | 2000- 17- 491-MIA
| MLB | 2004-2014 | 2000-2014 |
2012-05-07 | Josh Willingham | Minnesota Twins | Active | --- | LF-C | 6-1 | 200 | R | R | 1979-02-17 | Florence,AL | 2000- 17- 491-MIA
| MLB | 2004-2014 | 2000-2014 |
2012-05-07 | Chris Parmelee | Minnesota Twins | Active | --- | 1B-LF | 6-1 | 223 | L | L | 1988-02-24 | Long Beach,CA | 2006- 1- 20-MIN
| MLB | 2011-2016 | 2006-2019 |
2012-05-07 | Justin Morneau | Minnesota Twins | DL-15 | --- | 1B-DH | 6-4 | 205 | L | R | 1981-05-15 | New Westminster,BC | 1999- 3- 89-MIN
| MLB | 2003-2016 | 1999-2016 |
2012-05-07 | Liam Hendriks | Minnesota Twins | Minors | Assigned to Rochester (AAA) | P | 6-0 | 230 | R | R | 1989-02-10 | Perth,AU | 2007- 0- 0-MIN
| MLB | 2011-2020 | 2007-2020 |
2012-05-06 | Brian Dozier | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | 2B-P- | 5-11 | 185 | R | R | 1987-05-15 | Fulton,MS | 2009- 8- 252-MIN
| MLB | 2012-2020 | 2006-2020 |
2012-05-04 | Erik Komatsu | Minnesota Twins | Active | Claimed off waivers from Cardinals by Twins | CF-RF | 5-10 | 190 | L | L | 1987-10-01 | Camarillo,CA | 2008- 8- 248-MIL
| MLB | 2012-2012 | 2008-2015 |
2012-05-01 | Drew Butera | Minnesota Twins | Active | Recalled from Rochester (AAA) | C-1B- | 6-1 | 212 | R | R | 1983-08-09 | Evansville,IN | 2005- 5- 149-NYN
| MLB | 2010-2020 | 2003-2020 |
2012-04-28 | Ben Revere | Minnesota Twins | Minors | Optioned to Rochester (AAA) | LF-CF | 5-9 | 166 | L | R | 1988-05-03 | Lexington,KY | 2007- 1- 28-MIN
| MLB | 2010-2017 | 2007-2019 |
2012-04-25 | Ben Revere | Minnesota Twins | Active | Recalled from Rochester (AAA) | LF-CF | 5-9 | 166 | L | R | 1988-05-03 | Lexington,KY | 2007- 1- 28-MIN
| MLB | 2010-2017 | 2007-2019 |
2012-04-17 | Jason Marquis | Minnesota Twins | Active | Recalled from New Britain (AA) | P | 6-1 | 185 | L | R | 1978-08-21 | Manhasset,NY | 1996- 1- 35-ATL
| MLB | 2000-2015 | 1996-2015 |
2012-04-15 | Ben Revere | Minnesota Twins | Minors | Optioned to Rochester (AAA) | LF-CF | 5-9 | 166 | L | R | 1988-05-03 | Lexington,KY | 2007- 1- 28-MIN
| MLB | 2010-2017 | 2007-2019 |
2012-04-14 | Clete Thomas | Minnesota Twins | Active | Claimed off waivers from Tigers by Twins | OF-CF | 5-11 | 205 | L | R | 1983-11-14 | Jacksonville,FL | 2005- 6- 180-DET
| MLB | 2008-2013 | 2003-2014 |
2012-04-04 | Jared Burton | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | P | 6-5 | 220 | R | R | 1981-06-02 | Westminster,SC | 2002- 8- 248-OAK
| MLB | 2007-2014 | 2000-2015 |
2012-04-04 | Scott Baker | Minnesota Twins | DL-15 | DL-15 Elbow | P | 6-4 | 190 | R | R | 1981-09-19 | Shreveport,LA | 2003- 2- 58-MIN
| MLB | 2005-2015 | 2001-2015 |
2012-04-04 | Jason Marquis | Minnesota Twins | Minors | Optioned to New Britain (AA) | P | 6-1 | 185 | L | R | 1978-08-21 | Manhasset,NY | 1996- 1- 35-ATL
| MLB | 2000-2015 | 1996-2015 |
2012-04-04 | Sean Burroughs | Minnesota Twins | Active | Contract purchased from Rochester (AAA) | 3B-2B | 6-2 | 200 | L | R | 1980-09-12 | Atlanta,GA | 1998- 1- 9-SDN
| MLB | 2002-2012 | 1999-2017 |
2012-03-31 | Kyle Waldrop | Minnesota Twins | DL-15 | DL-15 Strained right elbow | P | 6-4 | 190 | R | R | 1985-10-27 | Knoxville,TN | 2004- 1- 25-MIN
| MLB | 2011-2012 | 2004-2013 |
2012-03-31 | Drew Butera | Minnesota Twins | Minors | Optioned to Rochester (AAA) | C-1B- | 6-1 | 212 | R | R | 1983-08-09 | Evansville,IN | 2005- 5- 149-NYN
| MLB | 2010-2020 | 2003-2020 |
2012-03-27 | Jeff Manship | Minnesota Twins | Minors | Optioned to Rochester (AAA) | P | 6-0 | 165 | R | R | 1985-01-16 | San Antonio,TX | 2006- 14- 426-MIN
| MLB | 2009-2016 | 2004-2016 |
2012-03-27 | Joe Benson | Minnesota Twins | Minors | Optioned to Rochester (AAA) | CF-RF | 6-2 | 210 | R | R | 1988-03-05 | Joliet,IL | 2006- 2- 64-MIN
| MLB | 2011-2011 | 2006-2019 |
2012-03-15 | Oswaldo Arcia | Minnesota Twins | Minors | Assigned to Fort Myers (A+) | RF-LF | 6-0 | 210 | B | R | 1991-05-09 | Anaco,VZ | 2007- 0- 0-MIN
| MLB | 2013-2016 | 2009-2019 |
2012-03-03 | Anthony Swarzak | Minnesota Twins | Active | Signed to 1-year contract for 2012-2012 ($0.4875m) | P | 6-3 | 195 | R | R | 1985-09-10 | Fort Lauderdale,FL | 2004- 2- 61-MIN
| MLB | 2009-2019 | 2004-2019 |