| Year | Team Name | League | Division | W | L | Pct | Rank | Managers | Stadium | Top Draft Pick | Playoffs | |
| 2013 | Seattle | Mariners | MLB-AL | West | 20 | 22 | .476 | 3 | Eric Wedge | Safeco Field | dnq | |
| 2012 | Seattle | Mariners | MLB-AL | West | 75 | 87 | .463 | 4 | Eric Wedge | Safeco Field | Mike Zunino (#3) | dnq |
| 2011 | Seattle | Mariners | MLB-AL | West | 67 | 95 | .414 | 4 | Eric Wedge | Safeco Field | Danny Hultzen (#2) | dnq |
| 2010 | Seattle | Mariners | MLB-AL | West | 61 | 101 | .377 | 4 | Don Wakamatsu | Safeco Field | Taijuan Walker (#43) | dnq |
| 2009 | Seattle | Mariners | MLB-AL | West | 85 | 77 | .525 | 3 | Don Wakamatsu | Safeco Field | Dustin Ackley (#2) | dnq |
| 2008 | Seattle | Mariners | MLB-AL | West | 61 | 101 | .377 | 4 | Jim Riggleman John McLaren | Safeco Field | Joshua Fields (#20) | dnq |
| 2007 | Seattle | Mariners | MLB-AL | West | 88 | 74 | .543 | 2 | John McLaren Mike Hargrove | Safeco Field | Phillippe Aumont (#11) | dnq |
| 2006 | Seattle | Mariners | MLB-AL | West | 78 | 84 | .481 | 4 | Mike Hargrove | Safeco Field | Brandon Morrow (#5) | dnq |
| 2005 | Seattle | Mariners | MLB-AL | West | 69 | 93 | .426 | 4 | Mike Hargrove | Safeco Field | Jeff Clement (#3) | dnq |
| 2004 | Seattle | Mariners | MLB-AL | West | 63 | 99 | .389 | 4 | Bob Melvin | Safeco Field | Matt Tuiasosopo (#93) | dnq |
| 2003 | Seattle | Mariners | MLB-AL | West | 93 | 69 | .574 | 2 | Bob Melvin | Safeco Field | Adam Jones (#37) | dnq |
| 2002 | Seattle | Mariners | MLB-AL | West | 93 | 69 | .574 | 3 | Lou Piniella | Safeco Field | John Mayberry (#28) | dnq |
| 2001 | Seattle | Mariners | MLB-AL | West | 116 | 46 | .716 | 1 | Lou Piniella | Safeco Field | Michael Garciaparra (#36) | Lost ALCS (Yankees) |
| 2000 | Seattle | Mariners | MLB-AL | West | 91 | 71 | .562 | 2 | Lou Piniella | Safeco Field | Sam Hays (#116) | Lost ALCS (Yankees) |
| 1999 | Seattle | Mariners | MLB-AL | West | 79 | 83 | .488 | 3 | Lou Piniella | Safeco Field,The Kingdome | Ryan Christianson (#11) | dnq |
| 1998 | Seattle | Mariners | MLB-AL | West | 76 | 85 | .472 | 3 | Lou Piniella | The Kingdome | Matt Thornton (#22) | dnq |
| 1997 | Seattle | Mariners | MLB-AL | West | 90 | 72 | .556 | 1 | Lou Piniella | The Kingdome | Ryan Anderson (#19) | Lost in 1st Round (Orioles) |
| 1996 | Seattle | Mariners | MLB-AL | West | 85 | 76 | .528 | 2 | Lou Piniella | The Kingdome | Gil Meche (#22) | dnq |
| 1995 | Seattle | Mariners | MLB-AL | West | 79 | 66 | .545 | 1 | Lou Piniella | The Kingdome | Jose Cruz (#3) | Lost ALCS (Indians) |
| 1994 | Seattle | Mariners | MLB-AL | West | 49 | 63 | .438 | 3 | Lou Piniella | The Kingdome | Jason Varitek (#14) | dnq |
| 1993 | Seattle | Mariners | MLB-AL | West | 82 | 80 | .506 | 4 | Lou Piniella | The Kingdome | Alex Rodriguez (#1) | dnq |
| 1992 | Seattle | Mariners | MLB-AL | West | 64 | 98 | .395 | 7 | Bill Plummer | The Kingdome | Ron Villone (#14) | dnq |
| 1991 | Seattle | Mariners | MLB-AL | West | 83 | 79 | .512 | 5 | Jim Lefebvre | The Kingdome | Shawn Estes (#11) | dnq |
| 1990 | Seattle | Mariners | MLB-AL | West | 77 | 85 | .475 | 5 | Jim Lefebvre | The Kingdome | Marc Newfield (#6) | dnq |
| 1989 | Seattle | Mariners | MLB-AL | West | 73 | 89 | .451 | 6 | Jim Lefebvre | The Kingdome | Roger Salkeld (#3) | dnq |
| 1988 | Seattle | Mariners | MLB-AL | West | 68 | 93 | .422 | 7 | Jim Snyder Dick Williams | The Kingdome | Tino Martinez (#14) | dnq |
| 1987 | Seattle | Mariners | MLB-AL | West | 78 | 84 | .481 | 4 | Dick Williams | The Kingdome | Ken Griffey (#1) | dnq |
| 1986 | Seattle | Mariners | MLB-AL | West | 67 | 95 | .414 | 7 | Dick Williams Chuck Cottier Marty Martinez | The Kingdome | Pat Lennon (#8) | dnq |
| 1985 | Seattle | Mariners | MLB-AL | West | 74 | 88 | .457 | 6 | Chuck Cottier | The Kingdome | Mike Campbell (#7) | dnq |
| 1984 | Seattle | Mariners | MLB-AL | West | 74 | 88 | .457 | 5 | Del Crandall Chuck Cottier | The Kingdome | Bill Swift (#2) | dnq |
| 1983 | Seattle | Mariners | MLB-AL | West | 60 | 102 | .370 | 7 | Del Crandall Rene Lachemann | The Kingdome | Darrel Akerfelds (#7) | dnq |
| 1982 | Seattle | Mariners | MLB-AL | West | 76 | 86 | .469 | 4 | Rene Lachemann | The Kingdome | Spike Owen (#6) | dnq |
| 1981 | Seattle | Mariners | MLB-AL | West | 44 | 65 | .404 | Rene Lachemann Maury Wills | The Kingdome | Mike Moore (#1) | dnq | |
| 1980 | Seattle | Mariners | MLB-AL | West | 59 | 103 | .364 | 7 | Darrell Johnson Maury Wills | The Kingdome | Darnell Coles (#6) | dnq |
| 1979 | Seattle | Mariners | MLB-AL | West | 67 | 95 | .414 | 6 | Darrell Johnson | The Kingdome | Al Chambers (#1) | dnq |
| 1978 | Seattle | Mariners | MLB-AL | West | 56 | 104 | .350 | 7 | Darrell Johnson | The Kingdome | Tito Nanni (#6) | dnq |
| 1977 | Seattle | Mariners | MLB-AL | West | 64 | 98 | .395 | 6 | Darrell Johnson | The Kingdome | Dave Henderson (#26) | dnq |