Jeff Weaver career ERA
4.71Career Regular Season
Jeff Weaver has a career ERA of 4.71 over 11 regular seasons.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 |  DET | 30 | 9 | 12 | 5.55 | 163.2 | 114 | 56 | 1.42 | 0 |
| 2000 | DET | 31 | 11 | 15 | 4.32 | 200.0 | 136 | 52 | 1.29 | 0 |
| 2001 | DET | 33 | 13 | 16 | 4.08 | 229.1 | 152 | 68 | 1.32 | 0 |
| 2002 |  DET/NYY | 32 | 11 | 11 | 3.52 | 199.2 | 132 | 48 | 1.21 | 2 |
| 2003 | NYY | 32 | 7 | 9 | 5.99 | 159.1 | 93 | 47 | 1.62 | 0 |
| 2004 |  LAD | 34 | 13 | 13 | 4.01 | 220.0 | 153 | 67 | 1.30 | 0 |
| 2005 | LAD | 34 | 14 | 11 | 4.22 | 224.0 | 157 | 43 | 1.17 | 0 |
| 2006 |  LAA/STL | 31 | 8 | 14 | 5.76 | 172.0 | 107 | 47 | 1.51 | 0 |
| 2007 |  SEA | 27 | 7 | 13 | 6.20 | 146.2 | 80 | 35 | 1.53 | 0 |
| 2009 | LAD | 28 | 6 | 4 | 3.65 | 79.0 | 64 | 33 | 1.52 | 0 |
| 2010 | LAD | 43 | 5 | 1 | 6.09 | 44.1 | 26 | 20 | 1.53 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 3.52 in 2002.
- Most recent: 6.09 in 2010.
Average of 11 regular seasons, 1999 through 2010. Figures come from ESPN's box scores and were last read on November 13, 2026.