Jake Arrieta career ERA
3.98Career Regular Season
Jake Arrieta has a career ERA of 3.98 over 12 regular seasons.
- Best season on file: 1.77 in 2015.
- Most recent: 7.39 in 2021.
Average of 12 regular seasons, 2010 through 2021. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2010 |  BAL | 18 | 6 | 6 | 4.66 | 100.1 | 52 | 48 | 1.53 | 0 |
| 2011 | BAL | 22 | 10 | 8 | 5.05 | 119.1 | 93 | 59 | 1.46 | 0 |
| 2012 | BAL | 24 | 3 | 9 | 6.20 | 114.2 | 109 | 35 | 1.37 | 0 |
| 2013 |  BAL/CHC | 14 | 5 | 4 | 4.78 | 75.1 | 60 | 41 | 1.33 | 0 |
| 2014 | CHC | 25 | 10 | 5 | 2.53 | 156.2 | 167 | 41 | 0.99 | 0 |
| 2015 | CHC | 33 | 22 | 6 | 1.77 | 229.0 | 236 | 48 | 0.86 | 0 |
| 2016 | CHC | 31 | 18 | 8 | 3.10 | 197.1 | 190 | 76 | 1.08 | 0 |
| 2017 | CHC | 30 | 14 | 10 | 3.53 | 168.1 | 163 | 55 | 1.22 | 0 |
| 2018 |  PHI | 31 | 10 | 11 | 3.96 | 172.2 | 138 | 57 | 1.29 | 0 |
| 2019 | PHI | 24 | 8 | 8 | 4.64 | 135.2 | 110 | 51 | 1.47 | 0 |
| 2020 | PHI | 9 | 4 | 4 | 5.08 | 44.1 | 32 | 16 | 1.51 | 0 |
| 2021 |  CHC/SD | 24 | 5 | 14 | 7.39 | 98.2 | 83 | 44 | 1.77 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV