Jack Flaherty ERA in 2020
4.912020 Regular Season
Jack Flaherty posted a 4.91 ERA in the 2020 regular season.
| 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. | H: Times the batter reached base by hitting the ball, without help from an error. | R: Runs — scored by the batter, or allowed by the pitcher. | ER: Earned runs allowed — runs that scored without help from an error. | BB: Times the batter reached first base on four balls. | K: Batters this pitcher struck out. | HR: Home runs hit. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 25, 2020 |  vs MIL | L 3-0 F/7 | 4.91 | 5.0 | 4 | 3 | 3 | 4 | 5 | 1 |
| Sep 20, 2020 |  @ PIT | W 2-1 | 4.84 | 6.0 | 2 | 1 | 1 | 2 | 11 | 0 |
| Sep 15, 2020 | @ MIL | L 18-3 | 5.52 | 3.0 | 8 | 9 | 9 | 2 | 6 | 2 |
| Sep 10, 2020 |  vs DET | W 12-2 F/7 | 3.08 | 5.0 | 4 | 2 | 2 | 2 | 6 | 1 |
| Sep 4, 2020 |  @ CHC | L 4-1 | 2.95 | 2.2 | 4 | 3 | 3 | 2 | 4 | 0 |
| Aug 29, 2020 |  vs CLE | L 2-1 F/12 | 1.93 | 5.0 | 3 | 1 | 1 | 2 | 5 | 1 |
| Aug 24, 2020 |  vs KC | W 9-3 | 1.98 | 5.0 | 1 | 0 | 0 | 0 | 3 | 0 |
| Aug 19, 2020 | @ CHC | W 9-3 F/7 | 3.12 | 1.2 | 1 | 1 | 1 | 2 | 3 | 1 |
| Jul 24, 2020 | vs PIT | W 5-4 | 2.57 | 7.0 | 6 | 2 | 2 | 0 | 6 | 0 |
- 8th-best of Jack Flaherty's 10 seasons on file; the best is 2.75 in 2019.
- Up 2.16 from 2.75 in 2019.
Figures come from ESPN's box scores and were last read on November 3, 2026.
