Jack Flaherty ERA in 2018
3.342018 Regular Season
Jack Flaherty posted a 3.34 ERA in the 2018 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 30, 2018 |  @ CHC | L 10-5 | 3.34 | 2.2 | 4 | 4 | 4 | 3 | 3 | 0 |
| Sep 24, 2018 |  vs MIL | L 6-4 | 3.16 | 5.1 | 4 | 3 | 3 | 2 | 5 | 1 |
| Sep 19, 2018 |  @ ATL | L 7-3 | 3.08 | 4.2 | 5 | 5 | 5 | 2 | 6 | 1 |
| Sep 14, 2018 |  vs LAD | L 3-0 | 2.86 | 6.0 | 4 | 1 | 1 | 2 | 8 | 1 |
| Sep 8, 2018 |  @ DET | L 4-3 | 2.92 | 5.0 | 4 | 3 | 3 | 4 | 6 | 0 |
| Sep 3, 2018 |  @ WSH | L 4-3 F/10 | 2.83 | 5.0 | 3 | 1 | 1 | 5 | 5 | 1 |
| Aug 28, 2018 |  vs PIT | W 5-2 | 2.87 | 7.0 | 4 | 1 | 1 | 0 | 5 | 0 |
| Aug 22, 2018 | @ LAD | W 3-1 | 2.97 | 6.0 | 1 | 1 | 1 | 2 | 10 | 1 |
| Aug 17, 2018 | vs MIL | W 5-2 | 3.05 | 6.0 | 3 | 0 | 0 | 3 | 7 | 0 |
| Aug 11, 2018 |  @ KC | W 8-3 | 3.22 | 7.0 | 3 | 2 | 2 | 3 | 9 | 1 |
| Aug 5, 2018 | @ PIT | W 2-1 | 3.27 | 6.0 | 3 | 0 | 0 | 1 | 7 | 0 |
| Jul 31, 2018 |  vs COL | L 6-3 | 3.49 | 5.1 | 5 | 4 | 4 | 2 | 7 | 1 |
| Jul 25, 2018 |  @ CIN | L 7-3 | 3.28 | 5.0 | 4 | 3 | 3 | 2 | 8 | 2 |
| Jul 20, 2018 | @ CHC | W 18-5 | 3.15 | 5.0 | 2 | 1 | 1 | 4 | 9 | 1 |
| Jul 14, 2018 | vs CIN | L 8-2 | 3.24 | 5.0 | 2 | 0 | 0 | 3 | 5 | 0 |
| Jul 8, 2018 |  @ SF | L 13-8 | 3.47 | 2.1 | 5 | 3 | 3 | 2 | 2 | 0 |
| Jul 3, 2018 |  @ ARI | L 4-2 | 3.19 | 6.0 | 4 | 4 | 4 | 1 | 7 | 1 |
| Jun 27, 2018 |  vs CLE | L 5-1 | 2.92 | 4.0 | 6 | 4 | 4 | 2 | 5 | 2 |
| Jun 22, 2018 | @ MIL | L 2-1 | 2.50 | 7.0 | 1 | 1 | 1 | 2 | 13 | 1 |
| Jun 17, 2018 | vs CHC | W 5-0 | 2.66 | 5.0 | 2 | 0 | 0 | 3 | 7 | 0 |
| Jun 11, 2018 |  vs SD | W 5-2 | 2.96 | 6.1 | 3 | 1 | 1 | 1 | 6 | 1 |
| Jun 6, 2018 |  vs MIA | L 11-3 | 3.20 | 5.0 | 8 | 6 | 4 | 1 | 6 | 1 |
| May 31, 2018 | vs PIT | W 10-8 | 2.62 | 5.0 | 7 | 4 | 3 | 0 | 5 | 1 |
| May 26, 2018 | @ PIT | W 4-1 | 2.15 | 6.0 | 4 | 1 | 1 | 2 | 4 | 1 |
| May 20, 2018 |  vs PHI | W 5-1 | 2.31 | 7.2 | 2 | 1 | 1 | 1 | 13 | 1 |
| May 15, 2018 |  @ MIN | L 4-1 | 2.87 | 5.2 | 5 | 1 | 1 | 1 | 3 | 0 |
| Apr 28, 2018 | @ PIT | L 6-2 | 3.60 | 5.0 | 4 | 3 | 3 | 4 | 2 | 1 |
| Apr 3, 2018 | @ MIL | L 5-4 | 1.80 | 5.0 | 6 | 1 | 1 | 1 | 9 | 0 |
- 4th-best of Jack Flaherty's 10 seasons on file; the best is 2.75 in 2019.
- Down 2.99 from 6.33 in 2017.
Figures come from ESPN's box scores and were last read on November 1, 2026.
