Brandon Lyon career ERA
4.16Career Regular Season
Brandon Lyon has a career ERA of 4.16 over 12 regular seasons.
- Best season on file: 2.68 in 2007.
- Most recent: 4.98 in 2013.
Figures come from ESPN's box scores and were last read on September 22, 2026.
| 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2001 |  TOR | 11 | 5 | 4 | 4.29 | 63.0 | 35 | 15 | 1.24 | 0 |
| 2002 | TOR | 15 | 1 | 4 | 6.53 | 62.0 | 30 | 19 | 1.56 | 0 |
| 2003 |  BOS | 49 | 4 | 6 | 4.12 | 59.0 | 50 | 19 | 1.56 | 9 |
| 2005 |  ARI | 32 | 0 | 2 | 6.44 | 29.1 | 17 | 10 | 1.84 | 14 |
| 2006 | ARI | 68 | 2 | 4 | 3.89 | 69.1 | 46 | 22 | 1.30 | 0 |
| 2007 | ARI | 73 | 6 | 4 | 2.68 | 74.0 | 40 | 22 | 1.24 | 2 |
| 2008 | ARI | 61 | 3 | 5 | 4.70 | 59.1 | 44 | 13 | 1.48 | 26 |
| 2009 |  DET | 65 | 6 | 5 | 2.86 | 78.2 | 57 | 31 | 1.11 | 3 |
| 2010 |  HOU | 79 | 6 | 6 | 3.12 | 78.0 | 54 | 31 | 1.27 | 20 |
| 2011 | HOU | 15 | 3 | 3 | 11.48 | 13.1 | 6 | 5 | 2.40 | 4 |
| 2012 | HOU/TOR | 67 | 4 | 2 | 3.10 | 61.0 | 63 | 20 | 1.25 | 1 |
| 2013 |  NYM | 37 | 2 | 2 | 4.98 | 34.1 | 23 | 13 | 1.63 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV