Michael Plassmeyer had the most runs allowed per game pitched by a starting pitcher in 2023, with 10 in his rookie season.
| NAME | R/G | R | G | SEASON | TM | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Plassmeyer | 10 | 10 | 1 | 2023 |  PHI | 0 | 1 | .000 | 1 | 22.09 | 4 | 0 | 0 | 0 | 3.2 | 8 | 9 | 3 | 0 | 3 | 0 | 0 | 23 | 0 | 9.82 | 0.00 | 7.36 | 17.4 | 0.0 | 2.18 | .385 | 24.55 | 19.64 | |
| 2 | | W. Parsons | 9 | 9 | 1 | 2023 |  TOR | 0 | 1 | .000 | 1 | 20.25 | 3 | 0 | 0 | 0 | 4.0 | 10 | 9 | 2 | 3 | 1 | 0 | 0 | 26 | 2 | 6.75 | 6.75 | 1.00 | 4.50 | 11.5 | 11.5 | 3.25 | .471 | 20.25 | 22.50 |
| 3 | | D. Covey | 7 | 7 | 1 | 2023 | PHI | 0 | 1 | .000 | 1 | 67.50 | 0 | 0 | 0 | 0 | 0.2 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | 9 | 0 | 0.00 | 0.00 | 27.00 | 0.0 | 0.0 | 9.00 | .571 | 94.50 | 81.00 | |
| 4 | | C. Kilian | 7 | 7 | 1 | 2023 |  CHC | 0 | 1 | .000 | 1 | 18.90 | 4 | 0 | 0 | 0 | 3.1 | 10 | 7 | 0 | 2 | 2 | 0 | 0 | 23 | 1 | 10.80 | 5.40 | 2.00 | 0.00 | 17.4 | 8.7 | 3.60 | .667 | 18.90 | 27.00 |
| 5 | | A. Oller | 7 | 7 | 1 | 2023 |  OAK | 0 | 0 | 1 | 27.00 | 2 | 0 | 0 | 0 | 2.1 | 8 | 7 | 1 | 1 | 1 | 0 | 0 | 17 | 0 | 7.71 | 3.86 | 2.00 | 3.86 | 11.8 | 5.9 | 3.86 | .583 | 27.00 | 30.86 | |
| 6 | | J. Lopez | 6 | 6 | 1 | 2023 |  TBR | 1 | 0 | 1.000 | 1 | 8.44 | 4 | 0 | 0 | 0 | 5.1 | 8 | 5 | 0 | 2 | 1 | 0 | 0 | 27 | 1 | 6.75 | 3.38 | 2.00 | 0.00 | 14.8 | 7.4 | 1.88 | .400 | 10.13 | 13.50 |
| 7 | | G. Stone | 6 | 24 | 4 | 2023 |  LAD | 0 | 0 | 4 | 13.50 | 7 | 0 | 0 | 0 | 15.1 | 32 | 23 | 3 | 8 | 0 | 0 | 0 | 84 | 0 | 4.11 | 4.70 | 0.88 | 1.76 | 8.3 | 9.5 | 2.61 | .439 | 14.09 | 18.78 | |
| 8 | | K. Kauffmann | 5.67 | 17 | 3 | 2023 |  COL | 0 | 3 | .000 | 3 | 11.37 | 7 | 0 | 0 | 0 | 12.2 | 22 | 16 | 3 | 7 | 1 | 0 | 0 | 64 | 0 | 4.97 | 4.97 | 1.00 | 2.13 | 10.9 | 10.9 | 2.29 | .413 | 12.08 | 15.63 |
| 9 | | D. Rucinski | 5.5 | 22 | 4 | 2023 | OAK | 0 | 4 | .000 | 4 | 9.00 | 6 | 0 | 0 | 0 | 18.0 | 27 | 18 | 5 | 14 | 1 | 0 | 0 | 95 | 0 | 3.00 | 7.00 | 0.43 | 2.50 | 6.3 | 14.7 | 2.28 | .319 | 11.00 | 13.50 |
| 10 | | S. Watkins | 5 | 5 | 1 | 2023 | OAK | 0 | 1 | .000 | 1 | 10.38 | 4 | 0 | 0 | 0 | 4.1 | 7 | 5 | 2 | 2 | 0 | 0 | 0 | 21 | 0 | 8.31 | 4.15 | 2.00 | 4.15 | 19.0 | 9.5 | 2.08 | .385 | 10.38 | 14.54 |
| 11 | | R. Knehr | 5 | 5 | 1 | 2023 |  SDP | 0 | 1 | .000 | 1 | 22.50 | 1 | 0 | 0 | 0 | 2.0 | 6 | 5 | 2 | 2 | 0 | 0 | 0 | 14 | 0 | 4.50 | 9.00 | 0.50 | 9.00 | 7.1 | 14.3 | 4.00 | .444 | 22.50 | 27.00 |
| 12 | | L. Stoudt | 5 | 10 | 2 | 2023 |  CIN | 0 | 1 | .000 | 2 | 12.86 | 5 | 0 | 0 | 0 | 7.0 | 13 | 10 | 1 | 4 | 0 | 0 | 0 | 38 | 0 | 6.43 | 5.14 | 1.25 | 1.29 | 13.2 | 10.5 | 2.43 | .429 | 12.86 | 16.71 |
| 13 | | J. Junk | 5 | 5 | 1 | 2023 |  MIL | 0 | 1 | .000 | 1 | 7.71 | 2 | 0 | 0 | 0 | 4.2 | 7 | 4 | 1 | 2 | 0 | 0 | 0 | 24 | 0 | 3.86 | 3.86 | 1.00 | 1.93 | 8.3 | 8.3 | 1.93 | .316 | 9.64 | 13.50 |
| 14 | | J. Fleming | 5 | 15 | 3 | 2023 | TBR | 0 | 0 | 3 | 8.36 | 7 | 0 | 0 | 0 | 14.0 | 25 | 13 | 5 | 5 | 0 | 0 | 1 | 70 | 1 | 4.50 | 3.21 | 1.40 | 3.21 | 10.0 | 7.1 | 2.14 | .377 | 9.64 | 16.07 | |
| 15 |  | M. Bumgarner | 5 | 20 | 4 | 2023 |  ARI | 0 | 3 | .000 | 4 | 10.26 | 10 | 0 | 0 | 0 | 16.2 | 25 | 19 | 4 | 15 | 1 | 0 | 0 | 90 | 0 | 5.40 | 8.10 | 0.67 | 2.16 | 11.1 | 16.7 | 2.40 | .350 | 10.80 | 13.50 |
| 16 |  | R. Ray | 5 | 5 | 1 | 2023 |  SEA | 0 | 1 | .000 | 1 | 8.10 | 3 | 0 | 0 | 0 | 3.1 | 4 | 3 | 0 | 5 | 0 | 0 | 0 | 19 | 1 | 8.10 | 13.50 | 0.60 | 0.00 | 15.8 | 26.3 | 2.70 | .364 | 13.50 | 10.80 |
| 17 | | D. Lamet | 4.75 | 19 | 4 | 2023 | COL | 0 | 3 | .000 | 4 | 10.80 | 18 | 0 | 0 | 0 | 15.0 | 24 | 18 | 4 | 10 | 1 | 0 | 0 | 77 | 2 | 10.80 | 6.00 | 1.80 | 2.40 | 23.4 | 13.0 | 2.27 | .455 | 11.40 | 14.40 |
| 18 | | C. Overton | 4.67 | 14 | 3 | 2023 | CIN | 0 | 1 | .000 | 3 | 11.45 | 9 | 0 | 0 | 0 | 11.0 | 19 | 14 | 3 | 7 | 0 | 0 | 0 | 55 | 0 | 7.36 | 5.73 | 1.29 | 2.45 | 16.4 | 12.7 | 2.36 | .444 | 11.45 | 15.55 |
| 19 | | C. Kuhl | 4.6 | 23 | 5 | 2023 |  WSH | 0 | 2 | .000 | 5 | 9.41 | 18 | 0 | 0 | 0 | 22.0 | 27 | 23 | 5 | 16 | 1 | 0 | 1 | 107 | 2 | 7.36 | 6.55 | 1.13 | 2.05 | 16.8 | 15.0 | 1.95 | .328 | 9.41 | 11.05 |
| 20 | | J. Estes | 4.5 | 9 | 2 | 2023 | OAK | 0 | 1 | .000 | 2 | 7.20 | 7 | 0 | 0 | 0 | 10.0 | 12 | 8 | 4 | 2 | 3 | 0 | 1 | 47 | 1 | 6.30 | 1.80 | 3.50 | 3.60 | 14.9 | 4.3 | 1.40 | .258 | 8.10 | 10.80 |
| 21 | | H. Harris | 4.5 | 27 | 6 | 2023 | OAK | 1 | 4 | .200 | 6 | 7.80 | 25 | 0 | 0 | 0 | 30.0 | 38 | 26 | 7 | 12 | 0 | 0 | 0 | 138 | 0 | 7.50 | 3.60 | 2.08 | 2.10 | 18.1 | 8.7 | 1.67 | .330 | 8.10 | 11.40 |
| 22 | | Y. Chirinos | 4.44 | 40 | 9 | 2023 | TOT | 2 | 3 | .400 | 9 | 7.89 | 32 | 0 | 0 | 0 | 43.1 | 56 | 38 | 8 | 15 | 3 | 0 | 0 | 198 | 2 | 6.65 | 3.12 | 2.13 | 1.66 | 16.2 | 7.6 | 1.64 | .343 | 8.31 | 11.63 |
| 23 | | Q. Priester | 4.38 | 35 | 8 | 2023 |  PIT | 2 | 3 | .400 | 8 | 7.88 | 30 | 0 | 0 | 0 | 40.0 | 49 | 35 | 9 | 24 | 3 | 0 | 0 | 192 | 5 | 6.75 | 5.40 | 1.25 | 2.03 | 15.6 | 12.5 | 1.83 | .317 | 7.88 | 11.03 |
| 24 | | L. Cessa | 4.33 | 26 | 6 | 2023 | CIN | 1 | 4 | .200 | 6 | 9.36 | 11 | 0 | 0 | 0 | 25.0 | 43 | 26 | 3 | 12 | 1 | 0 | 0 | 127 | 2 | 3.96 | 4.32 | 0.92 | 1.08 | 8.7 | 9.4 | 2.20 | .400 | 9.36 | 15.48 |
| 25 | | D. Rom | 4.25 | 34 | 8 | 2023 |  STL | 1 | 4 | .200 | 8 | 8.02 | 32 | 0 | 0 | 0 | 33.2 | 51 | 30 | 7 | 19 | 0 | 0 | 0 | 170 | 1 | 8.55 | 5.08 | 1.68 | 1.87 | 18.8 | 11.2 | 2.08 | .393 | 9.09 | 13.63 |
StatMuse has game-level data for games pitched going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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