How many wins did Jamie Moyer have in 2003?
212003 Regular Season
Jamie Moyer recorded 21 wins in the 2003 regular season, 2nd in the MLB.
- Jamie Moyer's best regular season for wins in 25 seasons on file.
- Up 8 from 13 in 2002.
- 23% of the Seattle Mariners' wins that regular season.
Best of 25 regular seasons, 1986 through 2012. Figures come from ESPN's box scores and were last read on September 21, 2026.
