The MLB Belt
Seattle Mariners
145Reigns
512Days held
142Defenses
1985First reign
Every reign
- 145th reign · Seattle MarinersBeat Chicago White Sox 5–4 · lost to Kansas City RoyalsMay 20, 2026 – May 23, 20263 days · 1 def.
- 144th reign · Seattle MarinersBeat Chicago White Sox 6–1 · lost to Chicago White SoxMay 18, 2026 – May 19, 20261 day · 0 def.
- 143rd reign · Seattle MarinersBeat Milwaukee Brewers 1–0 · lost to Milwaukee BrewersJul 22, 2025 – Jul 23, 20251 day · 0 def.
- 142nd reign · Seattle MarinersBeat Boston Red Sox 8–0 · lost to Boston Red SoxJun 17, 2025 – Jun 18, 20251 day · 0 def.
- 141st reign · Seattle MarinersBeat Miami Marlins 14–0 · lost to Texas RangersApr 26, 2025 – May 4, 20258 days · 5 def.
- 140th reign · Seattle MarinersBeat Boston Red Sox 8–5 · lost to Miami MarlinsApr 23, 2025 – Apr 25, 20252 days · 1 def.
- 139th reign · Seattle MarinersBeat Atlanta Braves 7–3 · lost to Atlanta BravesMay 20, 2023 – May 21, 20231 day · 0 def.
- 138th reign · Seattle MarinersBeat Texas Rangers 5–0 · lost to Texas RangersMay 9, 2023 – May 10, 20231 day · 0 def.
- 137th reign · Seattle MarinersBeat Houston Astros 7–5 · lost to Texas RangersMay 6, 2023 – May 8, 20232 days · 1 def.
- 136th reign · Seattle MarinersBeat Toronto Blue Jays 10–8 · lost to Houston AstrosApr 30, 2023 – May 5, 20235 days · 3 def.
- 135th reign · Seattle MarinersBeat Chicago White Sox 3–0 · lost to Chicago White SoxSep 6, 2022 – Sep 7, 20221 day · 0 def.
- 134th reign · Seattle MarinersBeat Detroit Tigers 9–3 · lost to Chicago White SoxAug 30, 2022 – Sep 5, 20226 days · 5 def.
- 133rd reign · Seattle MarinersBeat Detroit Tigers 9–6 · lost to Detroit TigersJun 9, 2021 – Jun 10, 20211 day · 0 def.
- 132nd reign · Seattle MarinersBeat Los Angeles Angels 9–5 · lost to Detroit TigersJun 6, 2021 – Jun 8, 20212 days · 0 def.
- 131st reign · Seattle MarinersBeat Los Angeles Angels 6–2 · lost to Los Angeles AngelsJun 3, 2021 – Jun 4, 20211 day · 0 def.
- 130th reign · Seattle MarinersBeat Chicago White Sox 9–2 · lost to Houston AstrosApr 6, 2019 – Apr 12, 20196 days · 5 def.
- 129th reign · Seattle MarinersBeat Boston Red Sox 6–5 · lost to Chicago White SoxMar 30, 2019 – Apr 5, 20196 days · 3 def.
- 128th reign · Seattle MarinersBeat Boston Red Sox 12–4 · lost to Boston Red SoxMar 28, 2019 – Mar 29, 20191 day · 0 def.
- 127th reign · Seattle MarinersBeat Los Angeles Angels 9–8 · lost to Los Angeles AngelsMay 5, 2018 – May 6, 20181 day · 0 def.
- 126th reign · Seattle MarinersBeat Oakland Athletics 4–1 · lost to Los Angeles AngelsMay 3, 2018 – May 4, 20181 day · 0 def.
- 125th reign · Seattle MarinersBeat Cleveland Indians 12–4 · lost to Oakland AthleticsApr 28, 2018 – May 2, 20184 days · 2 def.
- 124th reign · Seattle MarinersBeat Cleveland Indians 5–4 · lost to Cleveland IndiansApr 26, 2018 – Apr 27, 20181 day · 0 def.
- 123rd reign · Seattle MarinersBeat Oakland Athletics 7–6 · lost to Los Angeles AngelsAug 8, 2017 – Aug 10, 20172 days · 1 def.
- 122nd reign · Seattle MarinersBeat Toronto Blue Jays 2–1 · lost to Toronto Blue JaysJul 22, 2016 – Jul 24, 20162 days · 1 def.
- 121st reign · Seattle MarinersBeat Cleveland Indians 7–1 · lost to Cleveland IndiansJun 7, 2016 – Jun 9, 20162 days · 1 def.
- 120th reign · Seattle MarinersBeat Texas Rangers 9–2 · lost to Kansas City RoyalsSep 20, 2015 – Sep 23, 20153 days · 1 def.
- 119th reign · Seattle MarinersBeat Texas Rangers 3–1 · lost to Texas RangersSep 18, 2015 – Sep 19, 20151 day · 0 def.
- 118th reign · Seattle MarinersBeat Texas Rangers 3–2 · lost to Texas RangersAug 18, 2015 – Aug 19, 20151 day · 0 def.
- 117th reign · Seattle MarinersBeat Boston Red Sox 10–8 · lost to Texas RangersAug 16, 2015 – Aug 17, 20151 day · 0 def.
- 116th reign · Seattle MarinersBeat Baltimore Orioles 6–5 · lost to Boston Red SoxAug 11, 2015 – Aug 14, 20153 days · 1 def.
- 115th reign · Seattle MarinersBeat Texas Rangers 4–2 · lost to Baltimore OriolesAug 9, 2015 – Aug 10, 20151 day · 0 def.
- 114th reign · Seattle MarinersBeat Texas Rangers 4–3 · lost to Texas RangersAug 7, 2015 – Aug 8, 20151 day · 0 def.
- 113th reign · Seattle MarinersBeat Los Angeles Angels of Anaheim 5–0 · lost to Los Angeles Angels of AnaheimJul 11, 2015 – Jul 12, 20151 day · 0 def.
- 112th reign · Seattle MarinersBeat Los Angeles Angels of Anaheim 7–2 · lost to Los Angeles Angels of AnaheimJul 9, 2015 – Jul 10, 20151 day · 0 def.
- 111th reign · Seattle MarinersBeat Chicago White Sox 3–2 · lost to Chicago White SoxJul 5, 2014 – Jul 6, 20141 day · 0 def.
- 110th reign · Seattle MarinersBeat Houston Astros 10–4 · lost to Chicago White SoxJun 30, 2014 – Jul 4, 20144 days · 2 def.
- 109th reign · Seattle MarinersBeat Los Angeles Angels of Anaheim 8–3 · lost to Cleveland IndiansJul 12, 2013 – Jul 24, 201312 days · 7 def.
- 108th reign · Seattle MarinersBeat Toronto Blue Jays 4–3 · lost to Toronto Blue JaysSep 11, 2012 – Sep 13, 20122 days · 1 def.
- 107th reign · Seattle MarinersBeat Boston Red Sox 5–4 · lost to Boston Red SoxApr 29, 2011 – May 1, 20112 days · 1 def.
- 106th reign · Seattle MarinersBeat Toronto Blue Jays 4–3 · lost to San Diego PadresMay 20, 2010 – May 22, 20102 days · 1 def.
- 105th reign · Seattle MarinersBeat New York Yankees 7–1 · lost to Tampa Bay RaysSep 20, 2009 – Sep 23, 20093 days · 1 def.
- 104th reign · Seattle MarinersBeat New York Yankees 3–2 · lost to New York YankeesSep 18, 2009 – Sep 19, 20091 day · 0 def.
- 103rd reign · Seattle MarinersBeat New York Mets 5–2 · lost to New York MetsJun 23, 2008 – Jun 25, 20082 days · 1 def.
- 102nd reign · Seattle MarinersBeat Texas Rangers 4–1 · lost to Baltimore OriolesApr 2, 2008 – Apr 4, 20082 days · 0 def.
- 101st reign · Seattle MarinersBeat Texas Rangers 6–4 · lost to Texas RangersSep 28, 2007 – Apr 1, 2008186 days · 3 def.
- 100th reign · Seattle MarinersBeat Los Angeles Angels of Anaheim 6–0 · lost to Los Angeles Angels of AnaheimSep 21, 2007 – Sep 23, 20072 days · 1 def.
- 99th reign · Seattle MarinersBeat Oakland Athletics 6–5 · lost to Tampa Bay Devil RaysSep 12, 2007 – Sep 15, 20073 days · 2 def.
- 98th reign · Seattle MarinersBeat Detroit Tigers 14–7 · lost to Oakland AthleticsSep 9, 2007 – Sep 10, 20071 day · 0 def.
- 97th reign · Seattle MarinersBeat Minnesota Twins 9–4 · lost to Minnesota TwinsAug 20, 2007 – Aug 22, 20072 days · 1 def.
- 96th reign · Seattle MarinersBeat Chicago White Sox 7–6 · lost to Minnesota TwinsAug 11, 2007 – Aug 14, 20073 days · 2 def.
- 95th reign · Seattle MarinersBeat Baltimore Orioles 10–3 · lost to Chicago White SoxAug 7, 2007 – Aug 10, 20073 days · 2 def.
- 94th reign · Seattle MarinersBeat Baltimore Orioles 6–5 · lost to Toronto Blue JaysJul 18, 2007 – Jul 21, 20073 days · 1 def.
- 93rd reign · Seattle MarinersBeat Baltimore Orioles 4–2 · lost to Baltimore OriolesJul 16, 2007 – Jul 17, 20071 day · 0 def.
- 92nd reign · Seattle MarinersBeat Baltimore Orioles 2–1 · lost to Oakland AthleticsAug 2, 2006 – Aug 4, 20062 days · 0 def.
- 91st reign · Seattle MarinersBeat Cleveland Indians 3–1 · lost to Baltimore OriolesJul 29, 2006 – Aug 1, 20063 days · 2 def.
- 90th reign · Seattle MarinersBeat Toronto Blue Jays 7–4 · lost to Cleveland IndiansJul 26, 2006 – Jul 28, 20062 days · 0 def.
- 89th reign · Seattle MarinersBeat Boston Red Sox 5–2 · lost to Toronto Blue JaysJul 22, 2006 – Jul 25, 20063 days · 2 def.
- 88th reign · Seattle MarinersBeat Detroit Tigers 3–2 · lost to Toronto Blue JaysJul 9, 2006 – Jul 15, 20066 days · 1 def.
- 87th reign · Seattle MarinersBeat Tampa Bay Devil Rays 6–3 · lost to Tampa Bay Devil RaysMay 8, 2006 – May 10, 20062 days · 1 def.
- 86th reign · Seattle MarinersBeat Boston Red Sox 3–0 · lost to Boston Red SoxApr 15, 2006 – Apr 16, 20061 day · 0 def.
- 85th reign · Seattle MarinersBeat Cleveland Indians 11–9 · lost to Boston Red SoxApr 12, 2006 – Apr 14, 20062 days · 1 def.
- 84th reign · Seattle MarinersBeat Los Angeles Angels of Anaheim 8–1 · lost to Texas RangersSep 12, 2005 – Sep 15, 20053 days · 2 def.
- 83rd reign · Seattle MarinersBeat Los Angeles Angels of Anaheim 6–3 · lost to Los Angeles Angels of AnaheimSep 3, 2005 – Sep 4, 20051 day · 0 def.
- 82nd reign · Seattle MarinersBeat New York Yankees 5–1 · lost to Los Angeles Angels of AnaheimSep 1, 2005 – Sep 2, 20051 day · 0 def.
- 81st reign · Seattle MarinersBeat New York Yankees 8–3 · lost to New York YankeesAug 30, 2005 – Aug 31, 20051 day · 0 def.
- 80th reign · Seattle MarinersBeat Chicago White Sox 9–2 · lost to New York YankeesAug 28, 2005 – Aug 29, 20051 day · 0 def.
- 79th reign · Seattle MarinersBeat Minnesota Twins 8–3 · lost to Minnesota TwinsAug 20, 2005 – Aug 21, 20051 day · 0 def.
- 78th reign · Seattle MarinersBeat Florida Marlins 8–0 · lost to Washington NationalsJun 9, 2005 – Jun 10, 20051 day · 0 def.
- 77th reign · Seattle MarinersBeat Tampa Bay Devil Rays 6–5 · lost to Florida MarlinsJun 4, 2005 – Jun 8, 20054 days · 2 def.
- 76th reign · Seattle MarinersBeat Toronto Blue Jays 3–0 · lost to Tampa Bay Devil RaysJun 1, 2005 – Jun 3, 20052 days · 0 def.
- 75th reign · Seattle MarinersBeat Toronto Blue Jays 4–3 · lost to Toronto Blue JaysMay 30, 2005 – May 31, 20051 day · 0 def.
- 74th reign · Seattle MarinersBeat New York Yankees 13–7 · lost to New York YankeesMay 15, 2004 – May 16, 20041 day · 0 def.
- 73rd reign · Seattle MarinersBeat Anaheim Angels 10–6 · lost to San Diego PadresJun 26, 2003 – Jun 28, 20032 days · 1 def.
- 72nd reign · Seattle MarinersBeat Anaheim Angels 6–4 · lost to Anaheim AngelsJun 24, 2003 – Jun 25, 20031 day · 0 def.
- 71st reign · Seattle MarinersBeat Atlanta Braves 2–1 · lost to Anaheim AngelsJun 15, 2003 – Jun 19, 20034 days · 3 def.
- 70th reign · Seattle MarinersBeat Montreal Expos 1–0 · lost to Atlanta BravesJun 12, 2003 – Jun 14, 20032 days · 1 def.
- 69th reign · Seattle MarinersBeat New York Mets 13–1 · lost to Montreal ExposJun 8, 2003 – Jun 10, 20032 days · 1 def.
- 68th reign · Seattle MarinersBeat Minnesota Twins 10–6 · lost to New York MetsMay 29, 2003 – Jun 6, 20038 days · 6 def.
- 67th reign · Seattle MarinersBeat Minnesota Twins 5–2 · lost to Minnesota TwinsMay 23, 2003 – May 24, 20031 day · 0 def.
- 66th reign · Seattle MarinersBeat Detroit Tigers 4–3 · lost to New York YankeesApr 27, 2003 – Apr 30, 20033 days · 1 def.
- 65th reign · Seattle MarinersBeat Anaheim Angels 7–6 · lost to Detroit TigersApr 20, 2003 – Apr 26, 20036 days · 4 def.
- 64th reign · Seattle MarinersBeat Oakland Athletics 4–3 · lost to Anaheim AngelsApr 17, 2003 – Apr 19, 20032 days · 1 def.
- 63rd reign · Seattle MarinersBeat Texas Rangers 13–4 · lost to Oakland AthleticsApr 12, 2003 – Apr 16, 20034 days · 3 def.
- 62nd reign · Seattle MarinersBeat Oakland Athletics 7–1 · lost to Colorado RockiesJun 25, 2002 – Jun 30, 20025 days · 4 def.
- 61st reign · Seattle MarinersBeat Houston Astros 10–5 · lost to Oakland AthleticsJun 23, 2002 – Jun 24, 20021 day · 0 def.
- 60th reign · Seattle MarinersBeat Houston Astros 8–0 · lost to Houston AstrosJun 21, 2002 – Jun 22, 20021 day · 0 def.
- 59th reign · Seattle MarinersBeat Chicago Cubs 4–2 · lost to Chicago CubsJun 8, 2002 – Jun 9, 20021 day · 0 def.
- 58th reign · Seattle MarinersBeat New York Yankees 7–5 · lost to Chicago White SoxApr 24, 2001 – Apr 29, 20015 days · 4 def.
- 57th reign · Seattle MarinersBeat Detroit Tigers 8–4 · lost to Detroit TigersAug 22, 2000 – Aug 23, 20001 day · 0 def.
- 56th reign · Seattle MarinersBeat Cleveland Indians 7–1 · lost to Cleveland IndiansAug 11, 2000 – Aug 12, 20001 day · 0 def.
- 55th reign · Seattle MarinersBeat Cleveland Indians 8–5 · lost to Cleveland IndiansApr 25, 2000 – Apr 26, 20001 day · 0 def.
- 54th reign · Seattle MarinersBeat Cleveland Indians 4–1 · lost to New York YankeesAug 23, 1999 – Aug 27, 19994 days · 2 def.
- 53rd reign · Seattle MarinersBeat Boston Red Sox 4–3 · lost to Cleveland IndiansAug 15, 1999 – Aug 20, 19995 days · 3 def.
- 52nd reign · Seattle MarinersBeat Cleveland Indians 6–5 · lost to Cleveland IndiansMay 5, 1999 – May 6, 19991 day · 0 def.
- 51st reign · Seattle MarinersBeat New York Yankees 6–3 · lost to Boston Red SoxAug 2, 1998 – Aug 4, 19982 days · 1 def.
- 50th reign · Seattle MarinersBeat Toronto Blue Jays 3–1 · lost to Detroit TigersMay 10, 1998 – May 13, 19983 days · 1 def.
- 49th reign · Seattle MarinersBeat Toronto Blue Jays 8–3 · lost to Toronto Blue JaysMay 8, 1998 – May 9, 19981 day · 0 def.
- 48th reign · Seattle MarinersBeat Detroit Tigers 4–0 · lost to Toronto Blue JaysMay 2, 1998 – May 7, 19985 days · 3 def.
- 47th reign · Seattle MarinersBeat Kansas City Royals 11–5 · lost to Minnesota TwinsApr 22, 1998 – Apr 25, 19983 days · 1 def.
- 46th reign · Seattle MarinersBeat Minnesota Twins 3–2 · lost to Kansas City RoyalsApr 16, 1998 – Apr 21, 19985 days · 4 def.
- 45th reign · Seattle MarinersBeat Cleveland Indians 14–8 · lost to Boston Red SoxApr 8, 1997 – Apr 13, 19975 days · 3 def.
- 44th reign · Seattle MarinersBeat Oakland Athletics 5–1 · lost to Oakland AthleticsJul 15, 1996 – Jul 16, 19961 day · 0 def.
- 43rd reign · Seattle MarinersBeat Oakland Athletics 4–3 · lost to Texas RangersJul 3, 1996 – Jul 7, 19964 days · 3 def.
- 42nd reign · Seattle MarinersBeat Texas Rangers 4–3 · lost to Oakland AthleticsJun 30, 1996 – Jul 1, 19961 day · 0 def.
- 41st reign · Seattle MarinersBeat Toronto Blue Jays 9–1 · lost to Texas RangersJun 27, 1996 – Jun 29, 19962 days · 1 def.
- 40th reign · Seattle MarinersBeat Chicago White Sox 8–6 · lost to Toronto Blue JaysJun 15, 1996 – Jun 18, 19963 days · 1 def.
- 39th reign · Seattle MarinersBeat Minnesota Twins 18–8 · lost to Chicago White SoxJun 11, 1996 – Jun 14, 19963 days · 1 def.
- 38th reign · Seattle MarinersBeat New York Yankees 6–5 · lost to New York YankeesSep 5, 1995 – Sep 6, 19951 day · 0 def.
- 37th reign · Seattle MarinersBeat Baltimore Orioles 9–6 · lost to New York YankeesSep 3, 1995 – Sep 4, 19951 day · 0 def.
- 36th reign · Seattle MarinersBeat Boston Red Sox 11–2 · lost to Baltimore OriolesAug 31, 1995 – Sep 2, 19952 days · 1 def.
- 35th reign · Seattle MarinersBeat Boston Red Sox 6–4 · lost to Boston Red SoxAug 29, 1995 – Aug 30, 19951 day · 0 def.
- 34th reign · Seattle MarinersBeat Boston Red Sox 9–3 · lost to Boston Red SoxAug 18, 1995 – Aug 19, 19951 day · 0 def.
- 33rd reign · Seattle MarinersBeat Kansas City Royals 5–1 · lost to Kansas City RoyalsJun 17, 1994 – Jun 19, 19942 days · 1 def.
- 32nd reign · Seattle MarinersBeat Baltimore Orioles 6–0 · lost to Boston Red SoxMay 1, 1994 – May 3, 19942 days · 0 def.
- 31st reign · Seattle MarinersBeat Baltimore Orioles 5–4 · lost to Baltimore OriolesApr 29, 1994 – Apr 30, 19941 day · 0 def.
- 30th reign · Seattle MarinersBeat New York Yankees 7–1 · lost to New York YankeesApr 19, 1994 – Apr 20, 19941 day · 0 def.
- 29th reign · Seattle MarinersBeat Detroit Tigers 8–4 · lost to Chicago White SoxSep 26, 1990 – Sep 29, 19903 days · 1 def.
- 28th reign · Seattle MarinersBeat Oakland Athletics 5–2 · lost to Oakland AthleticsSep 10, 1990 – Sep 11, 19901 day · 0 def.
- 27th reign · Seattle MarinersBeat Milwaukee Brewers 9–4 · lost to Milwaukee BrewersMay 21, 1990 – May 22, 19901 day · 0 def.
- 26th reign · Seattle MarinersBeat Boston Red Sox 2–1 · lost to Boston Red SoxMay 8, 1990 – May 9, 19901 day · 0 def.
- 25th reign · Seattle MarinersBeat Baltimore Orioles 5–2 · lost to Boston Red SoxMay 5, 1990 – May 7, 19902 days · 1 def.
- 24th reign · Seattle MarinersBeat California Angels 10–8 · lost to Baltimore OriolesMay 3, 1990 – May 4, 19901 day · 0 def.
- 23rd reign · Seattle MarinersBeat New York Yankees 5–2 · lost to Baltimore OriolesApr 25, 1990 – Apr 29, 19904 days · 3 def.
- 22nd reign · Seattle MarinersBeat Oakland Athletics 5–2 · lost to New York YankeesApr 22, 1990 – Apr 24, 19902 days · 0 def.
- 21st reign · Seattle MarinersBeat Oakland Athletics 6–1 · lost to Oakland AthleticsApr 20, 1990 – Apr 21, 19901 day · 0 def.
- 20th reign · Seattle MarinersBeat Milwaukee Brewers 11–0 · lost to Milwaukee BrewersSep 17, 1988 – Sep 18, 19881 day · 0 def.
- 19th reign · Seattle MarinersBeat Milwaukee Brewers 7–3 · lost to Detroit TigersMay 3, 1987 – May 6, 19873 days · 1 def.
- 18th reign · Seattle MarinersBeat Boston Red Sox 11–2 · lost to Milwaukee BrewersApr 30, 1987 – May 1, 19871 day · 0 def.
- 17th reign · Seattle MarinersBeat Oakland Athletics 8–5 · lost to Boston Red SoxApr 26, 1987 – Apr 29, 19873 days · 2 def.
- 16th reign · Seattle MarinersBeat Minnesota Twins 4–3 · lost to Oakland AthleticsApr 22, 1987 – Apr 25, 19873 days · 1 def.
- 15th reign · Seattle MarinersBeat Minnesota Twins 6–5 · lost to Minnesota TwinsApr 11, 1987 – Apr 12, 19871 day · 0 def.
- 14th reign · Seattle MarinersBeat Oakland Athletics 6–4 · lost to Oakland AthleticsAug 11, 1986 – Aug 12, 19861 day · 0 def.
- 13th reign · Seattle MarinersBeat California Angels 7–3 · lost to Oakland AthleticsAug 2, 1986 – Aug 5, 19863 days · 2 def.
- 12th reign · Seattle MarinersBeat Toronto Blue Jays 8–7 · lost to Toronto Blue JaysJul 22, 1986 – Jul 23, 19861 day · 0 def.
- 11th reign · Seattle MarinersBeat Texas Rangers 6–0 · lost to Texas RangersSep 27, 1985 – Sep 29, 19852 days · 1 def.
- 10th reign · Seattle MarinersBeat Kansas City Royals 5–1 · lost to Texas RangersSep 16, 1985 – Sep 20, 19854 days · 3 def.
- 9th reign · Seattle MarinersBeat Baltimore Orioles 4–0 · lost to New York YankeesAug 22, 1985 – Aug 23, 19851 day · 0 def.
- 8th reign · Seattle MarinersBeat Minnesota Twins 7–2 · lost to Baltimore OriolesAug 18, 1985 – Aug 21, 19853 days · 1 def.
- 7th reign · Seattle MarinersBeat Minnesota Twins 6–5 · lost to Minnesota TwinsAug 16, 1985 – Aug 17, 19851 day · 0 def.
- 6th reign · Seattle MarinersBeat California Angels 6–1 · lost to Minnesota TwinsAug 14, 1985 – Aug 15, 19851 day · 0 def.
- 5th reign · Seattle MarinersBeat California Angels 11–4 · lost to California AngelsAug 13, 1985 – Aug 14, 19851 day · 0 def.
- 4th reign · Seattle MarinersBeat Oakland Athletics 9–6 · lost to California AngelsAug 11, 1985 – Aug 12, 19851 day · 1 def.
- 3rd reign · Seattle MarinersBeat Oakland Athletics 6–2 · lost to Oakland AthleticsAug 3, 1985 – Aug 4, 19851 day · 0 def.
- 2nd reign · Seattle MarinersBeat Minnesota Twins 12–3 · lost to Oakland AthleticsJul 31, 1985 – Aug 2, 19852 days · 0 def.
- 1st reign · Seattle MarinersBeat Boston Red Sox 10–3 · lost to Minnesota TwinsJul 27, 1985 – Jul 30, 19853 days · 2 def.
1,298Longest wait between reigns, days (1990–1994)
100Average wait, days
173Days since the last reign ended (2026)
32–16Best belt season (2003)
Belt record by opponent
| Opponent | W–L | Share |
|---|---|---|
| Athletics | 25–26 | Games → |
| Los Angeles Angels | 31–20 | Games → |
| Boston Red Sox | 23–25 | Games → |
| Texas Rangers | 22–24 | Games → |
| Cleveland Guardians | 23–22 | Games → |
| Toronto Blue Jays | 19–25 | Games → |
| Minnesota Twins | 22–21 | Games → |
| New York Yankees | 14–20 | Games → |
| Chicago White Sox | 16–16 | Games → |
| Baltimore Orioles | 19–12 | Games → |
| Detroit Tigers | 18–13 | Games → |
| Kansas City Royals | 14–7 | Games → |
| Houston Astros | 10–5 | Games → |
| Milwaukee Brewers | 4–9 | Games → |
| Tampa Bay Rays | 7–5 | Games → |
Seasons with the belt
202620252023202220212019201820172016201520142013201220112010200920082007200620052004200320022001200019991998199719961995199419901988198719861985
Most belt games for the franchise
| Player | Games | Wins | H | |
|---|---|---|---|---|
| 1 | Ichiro Suzuki | 190 | 99 | 236 |
| 2 | Edgar Martinez | 166 | 94 | 186 |
| 3 | Raul Ibanez | 129 | 62 | 136 |
| 4 | Dan Wilson | 116 | 66 | 96 |
| 5 | Adrian Beltré | 109 | 53 | 115 |
| 6 | Ken Griffey Jr. | 107 | 57 | 115 |
| 7 | Richie Sexson | 93 | 43 | 79 |
| 8 | Yuniesky Betancourt | 92 | 44 | 103 |
| 9 | Jose Lopez | 88 | 42 | 89 |
| 10 | Alex Rodriguez | 77 | 40 | 96 |
Belt games by season
| Season | Games | W–L | Took it | Lost it |
|---|---|---|---|---|
| 2026 | 6 | 3–3 | 2 | 2 |
| 2025 | 17 | 10–7 | 4 | 4 |
| 2023 | 15 | 8–7 | 4 | 4 |
| 2022 | 9 | 7–2 | 2 | 2 |
| 2021 | 7 | 3–4 | 3 | 3 |
| 2019 | 16 | 11–5 | 3 | 3 |
| 2018 | 10 | 6–4 | 4 | 4 |
| 2017 | 6 | 2–4 | 1 | 1 |
| 2016 | 7 | 4–3 | 2 | 2 |
| 2015 | 22 | 11–11 | 9 | 9 |
| 2014 | 6 | 4–2 | 2 | 2 |
| 2013 | 9 | 8–1 | 1 | 1 |
| 2012 | 6 | 2–4 | 1 | 1 |
| 2011 | 6 | 2–4 | 1 | 1 |
| 2010 | 8 | 2–6 | 1 | 1 |
| 2009 | 8 | 3–5 | 2 | 2 |
| 2008 | 10 | 4–6 | 2 | 3 |
| 2007 | 36 | 20–16 | 9 | 8 |
| 2006 | 35 | 15–20 | 8 | 8 |
| 2005 | 33 | 14–19 | 10 | 10 |
| 2004 | 3 | 1–2 | 1 | 1 |
| 2003 | 48 | 32–16 | 11 | 11 |
| 2002 | 13 | 8–5 | 4 | 4 |
| 2001 | 6 | 5–1 | 1 | 1 |
| 2000 | 9 | 3–6 | 3 | 3 |
| 1999 | 17 | 8–9 | 3 | 3 |
| 1998 | 26 | 16–10 | 6 | 6 |
| 1997 | 6 | 4–2 | 1 | 1 |
| 1996 | 24 | 12–12 | 6 | 6 |
| 1995 | 12 | 6–6 | 5 | 5 |
| 1994 | 12 | 5–7 | 4 | 4 |
| 1990 | 27 | 14–13 | 9 | 9 |
| 1988 | 3 | 1–2 | 1 | 1 |
| 1987 | 21 | 9–12 | 5 | 5 |
| 1986 | 14 | 5–9 | 3 | 3 |
| 1985 | 43 | 19–24 | 11 | 11 |