Wins
Shigetoshi Hasegawa · Season-by-season history
Wins over time
- Los Angeles Angels · MLB
- Seattle Mariners · MLB
| Season | Team | League | Wins |
|---|---|---|---|
| 2005 |  Seattle Mariners |
MLB | 1 |
| 2004 | Seattle Mariners |
MLB | 4 |
| 2003 | Seattle Mariners |
MLB | 2 |
| 2002 | Seattle Mariners |
MLB | 8 |
| 2001 |  Los Angeles Angels |
MLB | 5 |
| 2000 | Los Angeles Angels |
MLB | 10 |
| 1999 | Los Angeles Angels |
MLB | 4 |
| 1998 | Los Angeles Angels |
MLB | 8 |
| 1997 | Los Angeles Angels |
MLB | 3 |