Seattle Mariners (1977–2025)
49 seasons from 1977 to 2025
The Seattle Mariners have played since 1977, a total of 49 seasons. The franchise's all-time record is 3,689-4,022 (.478). They have not won a World Series.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- L (Losses):
- Games charged to the pitcher of record when the opposing team took a lead it never surrendered.
- Win% (Winning Percentage):
- Wins divided by games decided.
Data updated
49 seasons
| Year | League | W | L | Win% | Finish | Playoffs |
|---|---|---|---|---|---|---|
| 2025 | AL | 90 | 72 | .556 | 1 | Division |
| 2024 | AL | 85 | 77 | .525 | 2 | - |
| 2023 | AL | 88 | 74 | .543 | 3 | - |
| 2022 | AL | 90 | 72 | .556 | 2 | Wild Card |
| 2021 | AL | 90 | 72 | .556 | 2 | - |
| 2020 | AL | 27 | 33 | .450 | 3 | - |
| 2019 | AL | 68 | 94 | .420 | 5 | - |
| 2018 | AL | 89 | 73 | .549 | 3 | - |
| 2017 | AL | 78 | 84 | .481 | 3 | - |
| 2016 | AL | 86 | 76 | .531 | 2 | - |
| 2015 | AL | 76 | 86 | .469 | 4 | - |
| 2014 | AL | 87 | 75 | .537 | 3 | - |
| 2013 | AL | 71 | 91 | .438 | 4 | - |
| 2012 | AL | 75 | 87 | .463 | 4 | - |
| 2011 | AL | 67 | 95 | .414 | 4 | - |
| 2010 | AL | 61 | 101 | .377 | 4 | - |
| 2009 | AL | 85 | 77 | .525 | 3 | - |
| 2008 | AL | 61 | 101 | .377 | 4 | - |
| 2007 | AL | 88 | 74 | .543 | 2 | - |
| 2006 | AL | 78 | 84 | .481 | 4 | - |
| 2005 | AL | 69 | 93 | .426 | 4 | - |
| 2004 | AL | 63 | 99 | .389 | 4 | - |
| 2003 | AL | 93 | 69 | .574 | 2 | - |
| 2002 | AL | 93 | 69 | .574 | 3 | - |
| 2001 | AL | 116 | 46 | .716 | 1 | Division |
| 2000 | AL | 91 | 71 | .562 | 2 | Wild Card |
| 1999 | AL | 79 | 83 | .488 | 3 | - |
| 1998 | AL | 76 | 85 | .472 | 3 | - |
| 1997 | AL | 90 | 72 | .556 | 1 | Division |
| 1996 | AL | 85 | 76 | .528 | 2 | - |
| 1995 | AL | 79 | 66 | .545 | 1 | Division |
| 1994 | AL | 49 | 63 | .438 | 3 | - |
| 1993 | AL | 82 | 80 | .506 | 4 | - |
| 1992 | AL | 64 | 98 | .395 | 7 | - |
| 1991 | AL | 83 | 79 | .512 | 5 | - |
| 1990 | AL | 77 | 85 | .475 | 5 | - |
| 1989 | AL | 73 | 89 | .451 | 6 | - |
| 1988 | AL | 68 | 93 | .422 | 7 | - |
| 1987 | AL | 78 | 84 | .481 | 4 | - |
| 1986 | AL | 67 | 95 | .414 | 7 | - |
| 1985 | AL | 74 | 88 | .457 | 6 | - |
| 1984 | AL | 74 | 88 | .457 | 5 | - |
| 1983 | AL | 60 | 102 | .370 | 7 | - |
| 1982 | AL | 76 | 86 | .469 | 4 | - |
| 1981 | AL | 44 | 65 | .404 | 6 | - |
| 1980 | AL | 59 | 103 | .364 | 7 | - |
| 1979 | AL | 67 | 95 | .414 | 6 | - |
| 1978 | AL | 56 | 104 | .350 | 7 | - |
| 1977 | AL | 64 | 98 | .395 | 6 | - |
Seattle Mariners: the seasons in brief
Under the code SEA, the Seattle Mariners have 49 seasons on record, running from 1977 through 2025. The table opens with 1977 (64-98, 6th) and closes with 2025 (90-72, 1st). In 2022 the Seattle Mariners went 90-72 (.556), 2nd in the American League. In 2023 the Seattle Mariners went 88-74 (.543), 3rd in the American League. 2024 brought a 85-77 record, 2nd in the American League. Every season here was played in the American League. The strongest season by Win% was 2001: 116-46, .716. At the other end of the table sits 1978, a 56-104 season.
Hundred-win seasons: 2001. The Seattle Mariners won their division in 1995, 1997, 2001, and 2025. Wild-card berths came in 2000 and 2022. Second-place finishes came in 1996, 2000, 2003, 2007, 2016, 2021, 2022, and 2024. From 2021 through 2025, every season ended with more wins than losses. The longest stretch of losing records ran from 1977 to 1990. The Seattle Mariners seasons here roll up into the Seattle Mariners franchise page. Each season listed leads to a full season page showing who played and who led the club; the newest is 2025.
Seattle Mariners: Frequently Asked Questions
- What is the all-time record of the Seattle Mariners?
- 3,689-4,022 across 49 seasons, .478.
- How many World Series have the Seattle Mariners won?
- None on record under this team code.
- What seasons did the Seattle Mariners play?
- From 1977 to 2025.