worst era in a regular-season game MLB
Interpreted as:
worst era in a regular-season game MLB| LEAGUE | ERA | G | DATE | TM | OPP | RESULT | SO | SHO | SV | IP | H | ER | R | HR | BB | HBP | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NL | 28.13 | 1 | 6/27/2003 |  FLA | @ |  BOS | L 8-25 | 7 | 0 | 0 | 8.0 | 28 | 25 | 25 | 3 | 7 | 1 | 0 | 57 | 0 | 7.88 | 7.88 | 1.00 | 3.38 | 12.3 | 12.3 | 4.38 | .641 | 28.13 | 31.50 |
| 2 | NL | 25.00 | 1 | 6/24/2023 |  COL | vs |  LAA | L 1-25 | 3 | 0 | 0 | 9.0 | 28 | 25 | 25 | 5 | 6 | 1 | 0 | 59 | 2 | 3.00 | 6.00 | 0.50 | 5.00 | 5.1 | 10.2 | 3.78 | .523 | 25.00 | 28.00 |
| 3 | AL | 24.00 | 1 | 4/20/2025 |  BAL | vs |  CIN | L 2-24 | 6 | 0 | 0 | 9.0 | 25 | 24 | 24 | 3 | 11 | 2 | 0 | 64 | 0 | 6.00 | 11.00 | 0.55 | 3.00 | 9.4 | 17.2 | 4.00 | .524 | 24.00 | 25.00 |
| 4 | NL | 22.50 | 1 | 5/4/2024 |  MIA | @ |  OAK | L 4-20 | 3 | 0 | 0 | 8.0 | 21 | 20 | 20 | 6 | 6 | 3 | 0 | 54 | 0 | 3.38 | 6.75 | 0.50 | 6.75 | 5.6 | 11.1 | 3.38 | .417 | 22.50 | 23.63 |
| 5 | NL | 22.50 | 1 | 6/20/2006 |  STL | @ |  CWS | L 6-20 | 5 | 0 | 0 | 8.0 | 24 | 20 | 20 | 4 | 1 | 2 | 0 | 52 | 1 | 5.63 | 1.13 | 5.00 | 4.50 | 9.6 | 1.9 | 3.13 | .500 | 22.50 | 27.00 |
| 6 | AL | 22.00 | 1 | 7/26/2017 |  TEX | vs |  MIA | L 10-22 | 11 | 0 | 0 | 9.0 | 22 | 22 | 22 | 4 | 6 | 0 | 0 | 54 | 1 | 11.00 | 6.00 | 1.83 | 4.00 | 20.4 | 11.1 | 3.11 | .545 | 22.00 | 22.00 |
| 7 | NL | 22.00 | 1 | 6/13/1999 |  ATL | vs |  BAL | L 1-22 | 8 | 0 | 0 | 9.0 | 25 | 22 | 22 | 4 | 6 | 0 | 0 | 57 | 0 | 8.00 | 6.00 | 1.33 | 4.00 | 14.0 | 10.5 | 3.44 | .538 | 22.00 | 25.00 |
| 8 | AL | 21.38 | 1 | 5/15/2025 | ATH | @ |  LAD | L 2-19 | 6 | 0 | 0 | 8.0 | 18 | 19 | 19 | 5 | 8 | 0 | 0 | 50 | 0 | 6.75 | 9.00 | 0.75 | 5.63 | 12.0 | 16.0 | 3.25 | .419 | 21.38 | 20.25 |
| 9 | AL | 20.25 | 1 | 5/31/2025 |  NYY | @ | LAD | L 2-18 | 5 | 0 | 0 | 8.0 | 21 | 18 | 18 | 5 | 7 | 0 | 0 | 51 | 0 | 5.63 | 7.88 | 0.71 | 5.63 | 9.8 | 13.7 | 3.50 | .471 | 20.25 | 23.63 |
| 10 | NL | 20.25 | 1 | 3/29/2025 |  MIL | @ | NYY | L 9-20 | 5 | 0 | 0 | 8.0 | 16 | 18 | 20 | 9 | 8 | 2 | 0 | 51 | 0 | 5.63 | 9.00 | 0.63 | 10.13 | 9.8 | 15.7 | 3.00 | .259 | 22.50 | 18.00 |
| 11 | NL | 20.25 | 1 | 5/21/2005 |  HOU | @ | TEX | L 3-18 | 9 | 0 | 0 | 8.0 | 17 | 18 | 18 | 8 | 5 | 0 | 0 | 45 | 1 | 10.13 | 5.63 | 1.80 | 9.00 | 20.0 | 11.1 | 2.75 | .391 | 20.25 | 19.13 |
| 12 | NL | 20.00 | 1 | 8/6/2025 | COL | vs |  TOR | L 1-20 | 6 | 0 | 0 | 9.0 | 24 | 20 | 20 | 5 | 4 | 2 | 0 | 57 | 0 | 6.00 | 4.00 | 1.50 | 5.00 | 10.5 | 7.0 | 3.11 | .475 | 20.00 | 24.00 |
| 13 | NL | 20.00 | 1 | 8/30/2015 | ATL | vs | NYY | L 6-20 | 7 | 0 | 0 | 9.0 | 21 | 20 | 20 | 3 | 9 | 1 | 0 | 57 | 0 | 7.00 | 9.00 | 0.78 | 3.00 | 12.3 | 15.8 | 3.33 | .486 | 20.00 | 21.00 |
| 14 | NL | 19.13 | 1 | 7/26/2025 | COL | @ | BAL | L 0-18 | 4 | 0 | 0 | 8.0 | 18 | 17 | 18 | 3 | 6 | 1 | 0 | 47 | 0 | 4.50 | 6.75 | 0.67 | 3.38 | 8.5 | 12.8 | 3.00 | .455 | 20.25 | 20.25 |
| 15 | NL | 19.13 | 1 | 6/12/2024 | COL | @ |  MIN | L 9-17 | 4 | 0 | 0 | 8.0 | 24 | 17 | 17 | 2 | 2 | 0 | 0 | 47 | 0 | 4.50 | 2.25 | 2.00 | 2.25 | 8.5 | 4.3 | 3.25 | .564 | 19.13 | 27.00 |
| 16 | NL | 19.13 | 1 | 4/27/2024 |  CHC | @ | BOS | L 0-17 | 6 | 0 | 0 | 8.0 | 21 | 17 | 17 | 2 | 2 | 2 | 0 | 49 | 1 | 6.75 | 2.25 | 3.00 | 2.25 | 12.2 | 4.1 | 2.88 | .514 | 19.13 | 23.63 |
| 17 | NL | 19.13 | 1 | 6/16/2015 |  PHI | @ | BAL | L 3-19 | 7 | 0 | 0 | 8.0 | 17 | 17 | 19 | 8 | 8 | 1 | 0 | 50 | 2 | 7.88 | 9.00 | 0.88 | 9.00 | 14.0 | 16.0 | 3.13 | .346 | 21.38 | 19.13 |
| 18 | NL | 19.13 | 1 | 6/14/2007 | STL | @ |  KCR | L 8-17 | 5 | 0 | 0 | 8.0 | 15 | 17 | 17 | 1 | 7 | 1 | 0 | 46 | 1 | 5.63 | 7.88 | 0.71 | 1.13 | 10.9 | 15.2 | 2.75 | .438 | 19.13 | 16.88 |
| 19 | AL | 19.13 | 1 | 6/19/2004 | CWS | @ |  MON | L 14-17 | 6 | 0 | 0 | 8.0 | 18 | 17 | 17 | 4 | 6 | 2 | 2 | 49 | 2 | 6.75 | 6.75 | 1.00 | 4.50 | 12.2 | 12.2 | 3.00 | .452 | 19.13 | 20.25 |
| 20 | AL | 19.13 | 1 | 7/18/2000 | OAK | @ | COL | L 3-18 | 3 | 0 | 0 | 8.0 | 21 | 17 | 18 | 2 | 5 | 0 | 0 | 51 | 2 | 3.38 | 5.63 | 0.60 | 2.25 | 5.9 | 9.8 | 3.25 | .463 | 20.25 | 23.63 |
| 21 | NL | 19.13 | 1 | 6/9/1999 | STL | @ | KCR | L 13-17 | 1 | 0 | 0 | 8.0 | 19 | 17 | 17 | 0 | 7 | 0 | 0 | 51 | 1 | 1.13 | 7.88 | 0.14 | 0.00 | 2.0 | 13.7 | 3.25 | .442 | 19.13 | 21.38 |
| 22 | AL | 19.13 | 1 | 6/30/1998 | CWS | @ |  HOU | L 2-17 | 7 | 0 | 0 | 8.0 | 18 | 17 | 17 | 4 | 3 | 0 | 0 | 43 | 1 | 7.88 | 3.38 | 2.33 | 4.50 | 16.3 | 7.0 | 2.63 | .483 | 19.13 | 20.25 |
| 23 | NL | 19.06 | 2 | 9/9/2020 | MIA | @ | ATL | L 9-29 | 16 | 0 | 1 | 17.0 | 36 | 36 | 38 | 9 | 13 | 1 | 0 | 101 | 0 | 8.47 | 6.88 | 1.23 | 4.76 | 15.8 | 12.9 | 2.88 | .435 | 20.12 | 19.06 |
| 24 | AL | 19.00 | 1 | 9/9/2020 |  DET | vs | MIL | L 0-19 | 6 | 0 | 0 | 9.0 | 21 | 19 | 19 | 5 | 7 | 2 | 0 | 54 | 1 | 6.00 | 7.00 | 0.86 | 5.00 | 11.1 | 13.0 | 3.11 | .471 | 19.00 | 21.00 |
| 25 | NL | 18.00 | 1 | 7/4/2025 | LAD | vs |  HOU | L 1-18 | 8 | 0 | 0 | 9.0 | 20 | 18 | 18 | 5 | 8 | 1 | 1 | 54 | 0 | 8.00 | 8.00 | 1.00 | 5.00 | 14.8 | 14.8 | 3.11 | .469 | 18.00 | 20.00 |
Results may be incomplete. StatMuse has complete team, game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Mets 
Padres 
Guardians 
Mariners 
WSH 
