Gio Gonzalez career ERA
3.70Career Regular Season
Gio Gonzalez has a career ERA of 3.70 over 13 regular seasons.
- Best season on file: 2.89 in 2012.
- Most recent: 4.83 in 2020.
Average of 13 regular seasons, 2008 through 2020. Figures come from ESPN's box scores and were last read on September 21, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2008 |  ATH | 10 | 1 | 4 | 7.68 | 34.0 | 34 | 25 | 1.68 | 0 |
| 2009 | ATH | 20 | 6 | 7 | 5.75 | 98.2 | 109 | 56 | 1.71 | 0 |
| 2010 | ATH | 33 | 15 | 9 | 3.23 | 200.2 | 171 | 92 | 1.31 | 0 |
| 2011 | ATH | 32 | 16 | 12 | 3.12 | 202.0 | 197 | 91 | 1.32 | 0 |
| 2012 |  WSH | 32 | 21 | 8 | 2.89 | 199.1 | 207 | 76 | 1.13 | 0 |
| 2013 | WSH | 32 | 11 | 8 | 3.36 | 195.2 | 192 | 76 | 1.25 | 0 |
| 2014 | WSH | 27 | 10 | 10 | 3.57 | 158.2 | 162 | 56 | 1.20 | 0 |
| 2015 | WSH | 31 | 11 | 8 | 3.79 | 175.2 | 169 | 69 | 1.42 | 0 |
| 2016 | WSH | 32 | 11 | 11 | 4.57 | 177.1 | 171 | 59 | 1.34 | 0 |
| 2017 | WSH | 32 | 15 | 9 | 2.96 | 201.0 | 188 | 79 | 1.18 | 0 |
| 2018 |  WSH/MIL | 32 | 10 | 11 | 4.21 | 171.0 | 148 | 80 | 1.44 | 0 |
| 2019 | MIL | 19 | 3 | 2 | 3.50 | 87.1 | 78 | 37 | 1.29 | 0 |
| 2020 |  CHW | 12 | 1 | 2 | 4.83 | 31.2 | 34 | 19 | 1.86 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV