49 pitchers are tied for the best record by a starting pitcher in a season, with a record of 1-0. The first three are Ranger Suárez, Stephen Kolek and Ryan Yarbrough this season.
| NAME | REC | SEASON | TM | W% | G | W | L | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Suárez | 1-0 | 2025 |  PHI | 1.000 | 2 | 1 | 0 | 2 | 5.91 | 11 | 0 | 0 | 0 | 10.2 | 10 | 7 | 7 | 0 | 3 | 0 | 0 | 0 | 43 | 0 | 9.28 | 2.53 | 3.67 | 0.00 | 25.6 | 7.0 | 1.22 | .345 | 5.91 | 8.44 |
| 2 |  | S. Kolek | 2-0 | 2025 |  SDP | 1.000 | 2 | 2 | 0 | 2 | 0.00 | 11 | 1 | 1 | 0 | 14.1 | 9 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 52 | 0 | 6.91 | 2.51 | 2.75 | 0.00 | 21.2 | 7.7 | 0.91 | .243 | 0.00 | 5.65 |
| 3 |  | R. Yarbrough | 1-0 | 2025 |  NYY | 1.000 | 2 | 1 | 0 | 2 | 3.00 | 4 | 0 | 0 | 0 | 9.0 | 7 | 3 | 3 | 1 | 4 | 0 | 0 | 0 | 37 | 0 | 4.00 | 4.00 | 1.00 | 1.00 | 10.8 | 10.8 | 1.22 | .214 | 3.00 | 7.00 |
| 4 |  | G. Hoglund | 1-0 | 2025 |  ATH | 1.000 | 2 | 1 | 0 | 2 | 2.38 | 10 | 0 | 0 | 0 | 11.1 | 11 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 44 | 0 | 7.94 | 0.79 | 10.00 | 0.79 | 22.7 | 2.3 | 1.06 | .313 | 2.38 | 8.74 |
| 5 |  | T. Gonsolin | 2-0 | 2025 |  LAD | 1.000 | 3 | 2 | 0 | 3 | 2.81 | 21 | 0 | 0 | 0 | 16.0 | 13 | 5 | 5 | 2 | 4 | 0 | 0 | 0 | 63 | 1 | 11.81 | 2.25 | 5.25 | 1.13 | 33.3 | 6.3 | 1.06 | .306 | 2.81 | 7.31 |
| 6 |  | N. Cameron | 1-0 | 2025 |  KCR | 1.000 | 1 | 1 | 0 | 1 | 0.00 | 3 | 0 | 0 | 0 | 6.1 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 25 | 0 | 4.26 | 7.11 | 0.60 | 0.00 | 12.0 | 20.0 | 0.95 | .059 | 0.00 | 1.42 |
| 7 |  | T. Myers | 1-0 | 2025 |  MIL | 1.000 | 4 | 1 | 0 | 4 | 4.11 | 10 | 0 | 0 | 0 | 15.1 | 15 | 7 | 7 | 1 | 10 | 1 | 0 | 0 | 72 | 0 | 5.87 | 5.87 | 1.00 | 0.59 | 13.9 | 13.9 | 1.63 | .280 | 4.11 | 8.80 |
| 8 |  | B. Bello | 2-0 | 2025 |  BOS | 1.000 | 4 | 2 | 0 | 4 | 2.01 | 13 | 0 | 0 | 0 | 22.1 | 18 | 5 | 5 | 3 | 12 | 2 | 0 | 0 | 94 | 0 | 5.24 | 4.84 | 1.08 | 1.21 | 13.8 | 12.8 | 1.34 | .234 | 2.01 | 7.25 |
| 9 | | L. Henderson | 1-0 | 2025 | MIL | 1.000 | 1 | 1 | 0 | 1 | 1.50 | 9 | 0 | 0 | 0 | 6.0 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 21 | 0 | 13.50 | 1.50 | 9.00 | 1.50 | 42.9 | 4.8 | 0.67 | .200 | 1.50 | 4.50 |
| 10 |  | S. Matz | 1-0 | 2025 |  STL | 1.000 | 2 | 1 | 0 | 2 | 1.00 | 11 | 0 | 0 | 0 | 9.0 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 11.00 | 0.00 | 0.00 | 32.4 | 0.0 | 0.78 | .304 | 1.00 | 7.00 | |
| 11 |  | C. Rea | 2-0 | 2025 |  CHC | 1.000 | 5 | 2 | 0 | 5 | 2.96 | 23 | 0 | 0 | 0 | 24.1 | 24 | 8 | 9 | 2 | 7 | 0 | 0 | 0 | 103 | 0 | 8.51 | 2.59 | 3.29 | 0.74 | 22.3 | 6.8 | 1.27 | .310 | 3.33 | 8.88 |
| 12 |  | J. Boyle | 1-0 | 2025 |  TBR | 1.000 | 1 | 1 | 0 | 1 | 0.00 | 7 | 0 | 0 | 0 | 5.0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 18 | 0 | 12.60 | 3.60 | 3.50 | 0.00 | 38.9 | 11.1 | 0.40 | .000 | 3.60 | 0.00 |
| 13 |  | A. Abbott | 2-0 | 2025 |  CIN | 1.000 | 5 | 2 | 0 | 5 | 2.25 | 31 | 0 | 0 | 0 | 24.0 | 16 | 6 | 7 | 3 | 12 | 0 | 0 | 0 | 98 | 3 | 11.63 | 4.50 | 2.58 | 1.13 | 31.6 | 12.2 | 1.17 | .250 | 2.63 | 6.00 |
| 14 | | L. Knack | 1-0 | 2025 | LAD | 1.000 | 3 | 1 | 0 | 3 | 5.40 | 9 | 0 | 0 | 0 | 11.2 | 12 | 7 | 7 | 1 | 7 | 0 | 0 | 0 | 54 | 1 | 6.94 | 5.40 | 1.29 | 0.77 | 16.7 | 13.0 | 1.63 | .297 | 5.40 | 9.26 |
| 15 | | T. Glasnow | 1-0 | 2025 | LAD | 1.000 | 5 | 1 | 0 | 5 | 4.50 | 23 | 0 | 0 | 0 | 18.0 | 12 | 9 | 9 | 4 | 11 | 1 | 0 | 0 | 77 | 3 | 11.50 | 5.50 | 2.09 | 2.00 | 29.9 | 14.3 | 1.28 | .211 | 4.50 | 6.00 |
| 16 |  | J. Jobe | 2-0 | 2025 |  DET | 1.000 | 6 | 2 | 0 | 6 | 4.88 | 20 | 0 | 0 | 0 | 27.2 | 26 | 15 | 16 | 5 | 15 | 0 | 0 | 0 | 122 | 1 | 6.51 | 4.88 | 1.33 | 1.63 | 16.4 | 12.3 | 1.48 | .256 | 5.20 | 8.46 |
| 17 |  | R. Ray | 5-0 | 2025 |  SFG | 1.000 | 8 | 5 | 0 | 8 | 2.84 | 46 | 0 | 0 | 0 | 44.1 | 30 | 14 | 14 | 5 | 23 | 0 | 0 | 0 | 181 | 1 | 9.34 | 4.67 | 2.00 | 1.02 | 25.4 | 12.7 | 1.20 | .234 | 2.84 | 6.09 |
| 18 |  | M. Fried | 6-0 | 2025 | NYY | 1.000 | 8 | 6 | 0 | 8 | 1.05 | 47 | 0 | 0 | 0 | 51.2 | 36 | 6 | 11 | 3 | 11 | 4 | 0 | 0 | 208 | 2 | 8.19 | 1.92 | 4.27 | 0.52 | 22.6 | 5.3 | 0.91 | .231 | 1.92 | 6.27 |
| 19 | | J. Luzardo | 3-0 | 2025 | PHI | 1.000 | 8 | 3 | 0 | 8 | 2.11 | 51 | 0 | 0 | 0 | 47.0 | 44 | 11 | 14 | 2 | 13 | 0 | 0 | 0 | 192 | 1 | 9.77 | 2.49 | 3.92 | 0.38 | 26.6 | 6.8 | 1.21 | .333 | 2.68 | 8.43 |
| 20 |  | B. Snell | 1-0 | 2025 | LAD | 1.000 | 2 | 1 | 0 | 2 | 2.00 | 4 | 0 | 0 | 0 | 9.0 | 10 | 2 | 7 | 0 | 8 | 0 | 0 | 0 | 46 | 2 | 4.00 | 8.00 | 0.50 | 0.00 | 8.7 | 17.4 | 2.00 | .294 | 7.00 | 10.00 |
| 21 |  | S. Burke | 2-0 | 2024 |  CWS | 1.000 | 3 | 2 | 0 | 3 | 1.69 | 19 | 0 | 0 | 0 | 16.0 | 9 | 3 | 3 | 2 | 6 | 0 | 0 | 0 | 62 | 0 | 10.69 | 3.38 | 3.17 | 1.13 | 30.6 | 9.7 | 0.94 | .200 | 1.69 | 5.06 |
| 22 | | B. Hurter | 1-0 | 2024 | DET | 1.000 | 1 | 1 | 0 | 1 | 3.60 | 4 | 0 | 0 | 0 | 5.0 | 4 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 21 | 0 | 7.20 | 3.60 | 2.00 | 0.00 | 19.0 | 9.5 | 1.20 | .267 | 3.60 | 7.20 |
| 23 | | M. McGreevy | 2-0 | 2024 | STL | 1.000 | 3 | 2 | 0 | 3 | 2.25 | 14 | 0 | 0 | 0 | 20.0 | 14 | 5 | 5 | 1 | 2 | 1 | 0 | 0 | 76 | 0 | 6.30 | 0.90 | 7.00 | 0.45 | 18.4 | 2.6 | 0.80 | .224 | 2.25 | 6.30 |
| 24 |  | G. Holmes | 1-0 | 2024 |  ATL | 1.000 | 7 | 1 | 0 | 7 | 4.01 | 40 | 0 | 0 | 0 | 33.2 | 33 | 15 | 15 | 6 | 9 | 0 | 0 | 1 | 142 | 1 | 10.69 | 2.41 | 4.44 | 1.60 | 28.2 | 6.3 | 1.25 | .310 | 4.01 | 8.82 |
| 25 | | K. Allard | 2-0 | 2024 | PHI | 1.000 | 4 | 2 | 0 | 4 | 5.29 | 12 | 0 | 0 | 0 | 17.0 | 26 | 10 | 10 | 4 | 3 | 0 | 0 | 0 | 75 | 0 | 6.35 | 1.59 | 4.00 | 2.12 | 16.0 | 4.0 | 1.71 | .393 | 5.29 | 13.76 |
StatMuse has game-level data for records going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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