Junior Guerra career ERA
4.06Career Regular Season
Junior Guerra has a career ERA of 4.06 over 7 regular seasons.
- Best season on file: 2.81 in 2016.
- Most recent: 6.06 in 2021.
Average of 7 regular seasons, 2015 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2015 |  CHW | 3 | 0 | 0 | 6.75 | 4.0 | 3 | 1 | 2.00 | 0 |
| 2016 |  MIL | 20 | 9 | 3 | 2.81 | 121.2 | 100 | 43 | 1.13 | 0 |
| 2017 | MIL | 21 | 1 | 4 | 5.12 | 70.1 | 67 | 43 | 1.48 | 0 |
| 2018 | MIL | 31 | 6 | 9 | 4.09 | 141.0 | 136 | 55 | 1.40 | 0 |
| 2019 | MIL | 72 | 9 | 5 | 3.55 | 83.2 | 77 | 36 | 1.12 | 3 |
| 2020 |  ARI | 25 | 1 | 2 | 3.04 | 23.2 | 21 | 15 | 1.35 | 0 |
| 2021 |  LAA | 41 | 5 | 2 | 6.06 | 65.1 | 61 | 46 | 1.73 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV