| Start Date | End Date | #Days | Status | MLB Team | Minor Team | 40-Man | Transaction Description |
| 2013-06-01 | Current | -- | Active | Houston Astros | Yes | Activated from DL | |
| 2013-05-29 | 2013-06-01 | 4 | DL-15 | Houston Astros | Oklahoma City (AAA) | Yes | Assigned to Oklahoma City (AAA) for rehab |
| 2013-05-16 | 2013-05-29 | 14 | DL-15 | Houston Astros | Corpus Christi (AA) | Yes | Assigned to Corpus Christi (AA) for rehab |
| 2013-05-09 | 2013-05-16 | 8 | DL-15 | Houston Astros | Quad Cities (A) | Yes | Assigned to Quad Cities (A) for rehab |
| 2013-04-08 | 2013-05-09 | 32 | DL-15 | Houston Astros | Yes | DL-15 Right forearm strain | |
| 2012-12-06 | 2013-04-08 | 124 | Active | Houston Astros | Pawtucket (AAA) | Yes | Drafted from Red Sox by Astros in Rule 5 draft |
| 2012-08-05 | 2012-12-06 | 124 | Minors | Boston Red Sox | Pawtucket (AAA) | Assigned to Pawtucket (AAA) | |
| 2012-06-10 | 2012-08-05 | 57 | Minors | Boston Red Sox | Portland (AA) |
| Date | Notes |
| 2011-07-31 | Traded by Mariners with Erik Bedard to Red Sox for Trayvon Robinson and Chih-Hsien Chiang |
| 2009-06-15 | Signed by Blue Jays |
| Drafted: Selected by Seattle Mariners in 1st round (20th overall) of 2008 Amateur Draft (June-Reg Phase) | |
| *Did not sign* ... Selected by Atlanta Braves in 2nd round (69th overall) of 2007 Amateur Draft (June-Reg Phase) | |