Jack Flaherty ERA in 2019
2.752019 Regular Season
Jack Flaherty posted a 2.75 ERA in the 2019 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 29, 2019 |  vs CHC | W 9-0 | 2.75 | 7.0 | 2 | 0 | 0 | 1 | 6 | 0 |
| Sep 24, 2019 |  @ ARI | L 3-2 F/19 | 2.85 | 7.0 | 1 | 0 | 0 | 2 | 11 | 0 |
| Sep 19, 2019 | @ CHC | W 5-4 F/10 | 2.96 | 8.0 | 3 | 1 | 1 | 1 | 8 | 1 |
| Sep 14, 2019 |  vs MIL | L 5-2 | 3.05 | 6.0 | 5 | 3 | 3 | 2 | 10 | 1 |
| Sep 8, 2019 |  @ PIT | W 2-0 | 2.99 | 8.0 | 5 | 0 | 0 | 1 | 10 | 0 |
| Sep 3, 2019 |  vs SF | W 1-0 | 3.14 | 8.0 | 1 | 0 | 0 | 1 | 8 | 0 |
| Aug 28, 2019 | @ MIL | L 4-1 | 3.31 | 6.0 | 5 | 3 | 2 | 1 | 7 | 1 |
| Aug 23, 2019 |  vs COL | W 8-3 | 3.32 | 6.0 | 3 | 0 | 0 | 1 | 9 | 0 |
| Aug 18, 2019 |  @ CIN | W 5-4 | 3.46 | 5.0 | 3 | 1 | 1 | 3 | 5 | 1 |
| Aug 13, 2019 |  @ KC | W 2-0 | 3.52 | 7.0 | 3 | 0 | 0 | 1 | 7 | 0 |
| Aug 7, 2019 |  @ LAD | L 2-1 | 3.72 | 7.0 | 4 | 0 | 0 | 1 | 10 | 0 |
| Aug 1, 2019 | vs CHC | W 8-0 | 3.93 | 7.0 | 1 | 0 | 0 | 2 | 9 | 0 |
| Jul 26, 2019 |  vs HOU | W 5-3 | 4.17 | 6.0 | 3 | 2 | 2 | 1 | 9 | 1 |
| Jul 21, 2019 | @ CIN | W 3-1 | 4.24 | 4.1 | 6 | 0 | 0 | 2 | 7 | 0 |
| Jul 16, 2019 | vs PIT | L 3-1 | 4.41 | 7.0 | 3 | 1 | 1 | 3 | 8 | 0 |
| Jul 7, 2019 | @ SF | L 1-0 | 4.64 | 7.0 | 2 | 1 | 1 | 1 | 6 | 1 |
| Jul 2, 2019 |  @ SEA | L 5-4 | 4.90 | 4.2 | 7 | 4 | 4 | 4 | 7 | 1 |
| Jun 25, 2019 |  vs ATH | L 7-3 | 4.75 | 4.2 | 9 | 7 | 7 | 1 | 5 | 3 |
| Jun 18, 2019 |  vs MIA | L 6-0 | 4.24 | 7.0 | 4 | 3 | 3 | 1 | 8 | 2 |
| Jun 13, 2019 |  @ NYM | W 5-4 F/10 | 4.28 | 5.1 | 6 | 4 | 4 | 2 | 8 | 1 |
| Jun 8, 2019 | @ CHC | L 9-4 | 4.08 | 3.2 | 5 | 4 | 4 | 3 | 0 | 1 |
| Jun 1, 2019 | vs CHC | W 7-4 | 3.76 | 5.0 | 4 | 2 | 2 | 0 | 8 | 2 |
| May 26, 2019 |  vs ATL | L 4-3 F/10 | 3.77 | 6.0 | 3 | 0 | 0 | 0 | 7 | 0 |
| May 19, 2019 |  @ TEX | L 5-4 F/10 | 4.19 | 6.0 | 4 | 2 | 2 | 2 | 5 | 1 |
| May 14, 2019 | @ ATL | W 14-3 | 4.34 | 6.0 | 3 | 3 | 3 | 5 | 6 | 0 |
| May 8, 2019 |  vs PHI | L 5-0 | 4.32 | 5.0 | 4 | 4 | 3 | 3 | 2 | 0 |
| May 3, 2019 | @ CHC | L 4-0 | 4.17 | 5.2 | 4 | 3 | 3 | 4 | 9 | 1 |
| Apr 28, 2019 | vs CIN | W 5-2 | 4.06 | 7.0 | 4 | 0 | 0 | 1 | 4 | 0 |
| Apr 22, 2019 | vs MIL | W 13-5 | 5.25 | 6.0 | 3 | 4 | 4 | 1 | 10 | 3 |
| Apr 16, 2019 | @ MIL | L 8-4 | 5.00 | 2.2 | 9 | 5 | 5 | 1 | 4 | 2 |
| Apr 10, 2019 | vs LAD | W 7-2 | 2.93 | 6.0 | 3 | 1 | 1 | 0 | 8 | 1 |
| Apr 5, 2019 |  vs SD | L 5-3 | 3.86 | 5.0 | 6 | 0 | 0 | 2 | 6 | 0 |
| Mar 29, 2019 | @ MIL | W 9-5 | 8.31 | 4.1 | 7 | 4 | 4 | 1 | 4 | 1 |
- Jack Flaherty's best regular season for ERA in 10 seasons on file.
- Down 0.59 from 3.34 in 2018.
Figures come from ESPN's box scores and were last read on November 7, 2026.
