Brian Cooper career ERA
5.80Career Regular Season
Brian Cooper has a career ERA of 5.80 over 6 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 |  LAA | 5 | 1 | 1 | 4.88 | 27.2 | 15 | 18 | 1.48 | 0 |
| 2000 | LAA | 15 | 4 | 8 | 5.90 | 87.0 | 36 | 35 | 1.61 | 0 |
| 2001 | LAA | 7 | 0 | 1 | 2.63 | 13.2 | 7 | 4 | 1.02 | 0 |
| 2002 |  TOR | 2 | 0 | 1 | 14.04 | 8.1 | 3 | 4 | 2.16 | 0 |
| 2004 |  SF | 5 | 0 | 2 | 8.78 | 13.1 | 7 | 5 | 1.50 | 0 |
| 2005 | SF | 8 | 0 | 1 | 3.06 | 17.2 | 7 | 8 | 1.30 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 2.63 in 2001.
- Most recent: 3.06 in 2005.
Figures come from ESPN's box scores and were last read on October 27, 2026.