Mariners (SEA)

Mariners

Current rating & odds on Today’s Picks · Every game in the Game Finder

3,689–4,022

all-time record

47.8%

winning percentage

1977–2025

seasons on file

7,711

games played

Winning percentage by season

Best: 2001 · 116–46 (71.6%)Worst: 1978 · 56–104 (35.0%)

Biggest wins

May 20, 1994Rangers 2–19 Mariners+17 Sep 7, 2025Mariners 18–2 Braves+16 Apr 29, 1999Tigers 6–22 Mariners+16 Oct 4, 2001Rangers 1–16 Mariners+15 Aug 22, 2001Tigers 1–16 Mariners+15

Longest games

Apr 13, 1982Mariners 3–4 Angels20 inn Sep 3, 1981Mariners 8–7 Red Sox20 inn Aug 1, 2000Red Sox 4–5 Mariners19 inn Sep 18, 2012Orioles 4–2 Mariners18 inn Jun 24, 2004Mariners 7–9 Rangers18 inn

By decade

Decade	W–L	Win %
1970s	187–297	38.6%
1980s	673–893	43.0%
1990s	764–787	49.3%
2000s	837–783	51.7%
2010s	758–862	46.8%
2020s	470–400	54.0%