Season Records
| Mariners Club Records -- Batting | Year(s) | |
|---|---|---|
| Highest batting Average -- .288 | 2001 | |
| Lowest batting average -- .233 | 2011 | |
| Most players batting .300 or over (50 or more games) -- 4 | 1997, 2001 | |
| Highest slugging PCT. -- .485 | 1997 | |
| Lowest slugging PCT. -- .339 | 2010 | |
| Most at-bats -- 5,722 | 2004 | |
| Fewest at-bats -- 5,336 | 1983 | |
| Most runs -- 993 | 1996 | |
| Most runs, against one club -- 140 vs. Texas | 2001 | |
| Fewest runs -- 513 | 2010 | |
| Most opponents runs -- 905 | 1999 | |
| Fewest opponents runs -- 627 | 2001 | |
| Most hits -- 1,637 | 2001 | |
| Fewest hits -- 1,263 | 2011 | |
| Most players, 100 or more hits -- 9 | 2001 | |
| Fewest players, 100 or more hits -- 3 | 1980 | |
| Most players, 200 or more hits -- 2 | 2001 | |
| Most home runs -- 264 | 1997 | |
| Most consecutive games, one or more home runs -- 19 | 9/7 -- 9/27/99 | |
| Most grand slams -- 11 | 1996, 2000 | |
| Most pinch-hit home runs -- 5 | 1994, 1996 | |
| Most players, 10 or more home runs -- 9 | 1997 | |
| Most players, 20 or more home runs -- 6 | 1997 | |
| Most players, 30 or more home runs -- 3 | 1996, 1997 | |
| Most players, 40 or more home runs -- 2 | 1996, 1997, 1998, 1999 | |
| Most home runs by two players -- 98 (Griffey 56, Rodriguez 42) | 1998 | |
| Most home runs by three players -- 129 (Griffey 49, Buhner 44, Rodriguez 36) | 1996 | |
| Most home runs against one club -- 32 vs. Texas | 2001 | |
| Fewest home runs -- 97 | 1978 | |
| Most total bases -- 2,741 | 1996 | |
| Fewest total bases -- 1,836 | 2011 | |
| Most RBI -- 954 | 1996 | |
| Fewest RBI -- 485 | 2010 | |
| Most players, 100 or more RBI -- 4 | 1996 | |
| Most walks -- 775 | 2000 | |
| Most intentional walks -- 73 | 1993 | |
| Fewest walks -- 389 | 2007 | |
| Most Strikeouts -- 1,280 | 2011 | |
| Fewest Strikeouts -- 702 | 1978 | |
| Most sacrifice hits -- 106 | 1980 | |
| Fewest sacrifice hits -- 28 | 1985 | |
| Most sacrifice flies -- 72 | 2002 | |
| Fewest sacrifice flies -- 29 | 1986 | |
| Most hit by a pitch -- 75 | 1996 | |
| Fewest hit by a pitch -- 19 | 1980 | |
| Most grounded into double play -- 158 | 1979 | |
| Fewest grounded into double play -- 82 | 2011 | |
| Most stolen bases -- 174 | 1987, 2001 | |
| Fewest stolen bases -- 81 | 1989, 2007 | |
| Most runners left on base -- 1,257 | 2001 | |
| Fewest runners left on base -- 1,034 | 1983 |
| Individual Records -- Batting | Player(s) | Year(s) |
|---|---|---|
| Highest Batting Average -- .372 | Ichiro Suzuki | 2004 |
| Most Games -- 162 | 7x (last: Ichiro, 2010) | 2010 |
| Most At-bats -- 704 | Ichiro Suzuki | 2004 |
| Most Plate Appearances -- 762 | Ichiro Suzuki | 2004 |
| Most Runs -- 141 | Alex Rodriguez | 1996 |
| Most Hits -- 262 | Ichiro Suzuki | 2004 |
| Most Multi-hit Games -- 80 | Ichiro Suzuki | 2004 |
| Most Total Bases -- 393 | Ken Griffey Jr. | 1997 & 1998 |
| Most Doubles -- 54 | Alex Rodriguez | 1996 |
| Most Triples -- 12 | Ichiro Suzuki | 2005 |
| Most Home Runs -- 60 | Cal Raleigh | 2025 |
| Most RBIs -- 147 | Ken Griffey Jr. | 1997 & 1998 |
| Longest Hitting Streak -- 27 | Ichiro Suzuki | 2009 |
| Most Sacrifice Hits -- 17 | Chone Figgins | 2010 |
| Most Sacrifice Flies -- 13 | Bret Boone | 2001 |
| Mike Cameron | 2001 | |
| Most Bases on Balls -- 123 | Edgar Martinez | 1996 |
| Most Intentional Bases on Balls -- 27 | Ichiro Suzuki | 2002 |
| Most Strikeouts -- 176 | Mike Cameron | 2002 |
| Most Stolen Bases -- 60 | Harold Reynolds | 1987 |
| Most Hit-by-pitch -- 19 | Jose Guillen | 2007 |
| Most Pinch Hits -- 12 | Larry Milbourne | 1979 |
| Most Grounded into Double Plays -- 29 | Jim Presley | 1985 |
| Most Extra-base Hits -- 93 | Ken Griffey Jr. | 1997 |
| Highest Slugging Percentage -- .674 | Ken Griffey Jr. | 1994 |
| Highest On-base Percentage -- .479 | Edgar Martinez | 1995 |
| Most Home Runs, Kingdome -- 30 | Ken Griffey Jr. | 1998 |
| Most Home Runs, Safeco Field -- 21 | Richie Sexson | 2005 |
| Most Home Runs, Road -- 29 | Ken Griffey Jr. | 1997 |
| Most Grand Slams -- 4 | Edgar Martinez | 2000 |
| Most Consecutive Games with Home Run -- 8 | Ken Griffey Jr. | 7/20-28/1993 |
| Most Consecutive Hits -- 9 | Raul Ibanez | 9/22-23/04 |
| Most Consecutive Times Reaching Base Safely -- 11 | Ken Griffey Jr. | 4/23-27/89 |
| Raul Ibanez | 9/22-23/04 | |
| Most Consecutive Stolen Bases -- 39 | Ichiro Suzuki | 2006 |
| Most Consecutive Games Played -- 396 | Ichiro Suzuki | 7/11/04-9/25/06 |
| Club Records -- Pitching | Year(s) | |
|---|---|---|
| Lowest ERA -- 3.54 | 2001 | |
| Highest ERA -- 5.24 | 1999 | |
| Most complete games -- 39 | 1987 | |
| Fewest complete games -- 4 | 1996, 2000, 2008, 2009 | |
| Most Shutouts -- 15 | 2003 | |
| Fewest Shutouts -- 1 | 1977 | |
| Consecutive scoreless innings -- 31.0 | July 7-13, 1991 | |
| Most saves -- 56 | 2001 | |
| Fewest saves -- 20 | 1978 | |
| Most Hits -- 1,613 | 1999 | |
| Fewest Hits -- 1,293 | 2001 | |
| Most runs -- 905 | 1999 | |
| Fewest runs -- 627 | 2001 | |
| Most earned runs -- 834 | 1999 | |
| Fewest earned runs -- 576 | 2001 | |
| Most home runs -- 216 | 1996 | |
| Fewest home runs -- 114 | 1989 | |
| Most hit batters -- 72 | 2004 | |
| Most bases on balls -- 684 | 1999 | |
| Fewest bases on balls -- 436 | 2011 | |
| Most strikeouts -- 1,207 | 1997 | |
| Fewest strikeouts -- 630 | 1978 | |
| Most wild pitches -- 82 | 1991 | |
| Fewest wild pitches -- 31 | 1978 | |
| Most balks -- 55 | 1988 |
| Individual Records -- Pitching | Player(s) | Year(s) |
|---|---|---|
| Most Wins -- 21 | Jamie Moyer | 2003 |
| Most Losses -- 19 | Matt Young | 1985 |
| Mike Moore | 1987 | |
| Highest Winning Percentage -- .900 | Randy Johnson | 1995 |
| Most Consecutive Wins -- 16 | Randy Johnson | 8/11/95-5/2/97 |
| Most Games -- 78 | Ed Vande Berg | 1982 |
| Most Games Started -- 37 | Mike Moore | 1986 |
| Most Complete Games -- 14 | Mike Moore | 1985 |
| Mark Langston | 1987 | |
| Most Saves -- 45 | Kazuhiro Sasaki | 2001 |
| Most Innings -- 272.0 | Mark Langston | 1987 |
| Most Batters Faces -- 1,152 | Mark Langston | 1987 |
| Most Runs -- 145 | Mike Moore | 1987 |
| Most Earned Runs -- 129 | Mark Langston | 1986 |
| Most Hits -- 279 | Mike Moore | 1986 |
| Most Bases on Balls -- 152 | Randy Johnson | 1991 |
| Most Strikeouts -- 308 | Randy Johnson | 1993 |
| Most Hit Batters -- 18 | Randy Johnson | 1992 |
| Most Wild Pitches -- 17 | Felix Hernandez | 2009 |
| Most Balks -- 11 | Rod Scurry | 1988 |
| Most Home Runs Allowed -- 44 | Jamie Moyer | 2004 |
| Lowest ERA (starter) -- 2.27 | Felix Hernandez | 2010 |
| Lowest ERA (reliever) -- 1.48 | Shigetoshi Hasegawa | 2003 |
| Most Consective No-hit innings -- 13.1 | John Montague | 7/22-30/1997 |
| Most Consecutive Batters Retired -- 33 | John Montague | 7/22-30/1997 |
| Most Consecutive Scoreless Innings -- 34 | Mark Langston | 9/14-29/1988 |
| Most Consecutive Innings, No Home Runs -- 86 | Shane Rawley | 1978-79 |
| Most Consecutive Game Appearances -- 7 | Ed Vande Berg | 4/5-13/1984 |
