Seattle Mariners players with a 20+ win season
2 players
2 players have had a 20+ win season for the Seattle Mariners. They are Jamie Moyer (2001, 2003) and Randy Johnson (1997).
| Player | Pos | Seasons | Best |
|---|---|---|---|
| Jamie Moyer | SP | 2001, 2003 | 21 |
| Randy Johnson | SP | 1997 | 20 |
Reached with the club in one regular season. Every season since 1876 is on file. A season split between two clubs is filed as one combined line and counts for neither.