Madison Bumgarner career ERA
3.47Career Regular Season
Madison Bumgarner has a career ERA of 3.47 over 15 regular seasons.
- Best season on file: 1.80 in 2009.
- Most recent: 10.26 in 2023.
Average of 15 regular seasons, 2009 through 2023. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2009 |  SF | 4 | 0 | 0 | 1.80 | 10.0 | 10 | 3 | 1.10 | 0 |
| 2010 | SF | 18 | 7 | 6 | 3.00 | 111.0 | 86 | 26 | 1.31 | 0 |
| 2011 | SF | 33 | 13 | 13 | 3.21 | 204.2 | 191 | 46 | 1.21 | 0 |
| 2012 | SF | 32 | 16 | 11 | 3.37 | 208.1 | 191 | 49 | 1.11 | 0 |
| 2013 | SF | 31 | 13 | 9 | 2.77 | 201.1 | 199 | 62 | 1.03 | 0 |
| 2014 | SF | 33 | 18 | 10 | 2.98 | 217.1 | 219 | 43 | 1.09 | 0 |
| 2015 | SF | 32 | 18 | 9 | 2.93 | 218.1 | 234 | 39 | 1.01 | 0 |
| 2016 | SF | 34 | 15 | 9 | 2.74 | 226.2 | 251 | 54 | 1.02 | 0 |
| 2017 | SF | 17 | 4 | 9 | 3.32 | 111.0 | 101 | 20 | 1.09 | 0 |
| 2018 | SF | 21 | 6 | 7 | 3.26 | 129.2 | 109 | 43 | 1.24 | 0 |
| 2019 | SF | 37 | 9 | 9 | 3.90 | 207.2 | 203 | 43 | 1.13 | 0 |
| 2020 |  ARI | 9 | 1 | 4 | 6.48 | 41.2 | 30 | 13 | 1.44 | 0 |
| 2021 | ARI | 26 | 7 | 10 | 4.67 | 146.1 | 124 | 39 | 1.18 | 0 |
| 2022 | ARI | 30 | 7 | 15 | 4.88 | 158.2 | 112 | 49 | 1.44 | 0 |
| 2023 | ARI | 4 | 0 | 3 | 10.26 | 16.2 | 10 | 15 | 2.40 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV