Shawn Armstrong career ERA
3.90Career Regular Season
Shawn Armstrong has a career ERA of 3.90 over 12 regular seasons.
- Best season on file: 1.23 in 2018.
- Most recent: 4.91 in 2026.
Average of 12 regular seasons, 2015 through 2026. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2015 |  CLE | 8 | 0 | 0 | 2.25 | 8.0 | 11 | 2 | 0.88 | 0 |
| 2016 | CLE | 10 | 0 | 0 | 2.53 | 10.2 | 7 | 5 | 1.31 | 0 |
| 2017 | CLE | 21 | 1 | 0 | 4.38 | 24.2 | 20 | 10 | 1.34 | 0 |
| 2018 |  SEA | 14 | 0 | 1 | 1.23 | 14.2 | 15 | 3 | 0.82 | 1 |
| 2019 |  SEA/BAL | 56 | 1 | 1 | 5.74 | 58.0 | 63 | 29 | 1.64 | 4 |
| 2020 | BAL | 14 | 2 | 0 | 1.80 | 15.0 | 14 | 3 | 0.80 | 0 |
| 2021 |  BAL/TB | 31 | 1 | 0 | 6.75 | 36.0 | 44 | 15 | 1.50 | 0 |
| 2022 | MIA/TB | 50 | 2 | 3 | 4.38 | 61.2 | 66 | 17 | 1.35 | 2 |
| 2023 | TB | 39 | 1 | 0 | 1.38 | 52.0 | 54 | 11 | 0.90 | 0 |
| 2024 |  TB/STL/CHC | 57 | 3 | 3 | 4.86 | 66.2 | 66 | 25 | 1.53 | 1 |
| 2025 |  TEX | 71 | 4 | 3 | 2.31 | 74.0 | 74 | 20 | 0.81 | 9 |
| 2026 | CLE | 38 | 2 | 1 | 4.91 | 33.0 | 33 | 19 | 1.45 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV