50 pitchers are tied for allowing the fewest runs in a season, with 0 runs. The first three are Nick Burdi, Willi Castro and Jhonathan Díaz this season.
Interpreted as:
least runs given up by a player in a season| NAME | R | SEASON | TM | G | 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 | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | N. Burdi | 0 | 2025 |  BOS | 4 | 0 | 0 | 0 | 0.00 | 5 | 0 | 0 | 0 | 5.1 | 5 | 0 | 0 | 2 | 0 | 2 | 0 | 21 | 1 | 8.44 | 3.38 | 2.50 | 0.00 | 23.8 | 9.5 | 1.31 | .357 | 0.00 | 0 | 2.31 | 56 | 8.44 | 1.1 | |
| 2 |  | W. Castro | 0 | 2025 |  MIN | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 1.00 | .250 | 0.00 | 0 | 3.06 | 75 | 9.00 | 0.1 | ||
| 3 |  | J. Díaz | 0 | 2025 |  SEA | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 6.75 | 0.00 | 0.00 | 20.0 | 0.0 | 0.75 | .250 | 0.00 | 0 | 1.56 | 40 | 6.75 | 0.4 | ||
| 4 |  | M. Gage | 0 | 2025 |  DET | 4 | 0 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 4.1 | 5 | 0 | 0 | 2 | 0 | 1 | 0 | 19 | 0 | 6.23 | 4.15 | 1.50 | 0.00 | 15.8 | 10.5 | 1.62 | .357 | 0.00 | 0 | 3.06 | 76 | 10.38 | 0.5 | |
| 5 |  | H. Harvey | 0 | 2025 |  KCR | 6 | 0 | 0 | 0 | 0.00 | 7 | 0 | 0 | 0 | 5.1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 17 | 0 | 11.81 | 0.00 | 0.00 | 41.2 | 0.0 | 0.19 | .100 | 0.00 | 0 | 0.44 | 11 | 1.69 | 2.1 | ||
| 6 |  | J. Herrera | 0 | 2025 |  AZ | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 2.00 | .400 | 0.00 | 0 | 3.06 | 78 | 18.00 | 0.1 | ||
| 7 |  | M. Kelly | 0 | 2025 |  ATH | 6 | 1 | 0 | 1.000 | 0 | 0.00 | 5 | 0 | 0 | 0 | 7.1 | 3 | 0 | 0 | 4 | 0 | 2 | 0 | 27 | 0 | 6.14 | 4.91 | 1.25 | 0.00 | 18.5 | 14.8 | 0.95 | .167 | 0.00 | 0 | 3.33 | 82 | 3.68 | 0.6 |
| 8 |  | C. Kimbrel | 0 | 2025 |  ATL | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 33.3 | 33.3 | 2.00 | 1.000 | 0.00 | 0 | 4.06 | 103 | 9.00 | 0 | |
| 9 |  | M. Kopech | 0 | 2025 |  LAD | 6 | 0 | 0 | 0 | 0.00 | 6 | 0 | 0 | 0 | 5.0 | 3 | 0 | 0 | 4 | 0 | 1 | 0 | 22 | 1 | 10.80 | 7.20 | 1.50 | 0.00 | 27.3 | 18.2 | 1.40 | .250 | 0.00 | 0 | 3.06 | 75 | 5.40 | 0.6 | |
| 10 | | T. Nido | 0 | 2025 | DET | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 6 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0 | 4.86 | 121 | 0.00 | -0.2 | ||
| 11 |  | A. Ottavino | 0 | 2025 |  NYY | 3 | 0 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 9 | 0 | 16.20 | 21.60 | 0.75 | 0.00 | 33.3 | 44.4 | 2.40 | .000 | 0.00 | 0 | 6.66 | 159 | 0.00 | -0.4 | |
| 12 | | E. Phillips | 0 | 2025 | LAD | 7 | 0 | 0 | 0 | 0.00 | 6 | 0 | 0 | 1 | 5.2 | 4 | 0 | 0 | 2 | 0 | 1 | 0 | 22 | 0 | 9.53 | 3.18 | 3.00 | 0.00 | 27.3 | 9.1 | 1.06 | .286 | 0.00 | 0 | 2.00 | 49 | 6.35 | 1.3 | |
| 13 |  | R. Stephenson | 0 | 2025 |  LAA | 2 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 18.00 | 0.00 | 0.00 | 66.7 | 0.0 | 0.00 | .000 | 0.00 | 0 | -0.94 | -22 | 0.00 | 0.6 | ||
| 14 |  | Z. Thompson | 0 | 2025 | ATL | 2 | 0 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 3.2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12 | 1 | 7.36 | 2.45 | 3.00 | 0.00 | 25.0 | 8.3 | 0.27 | .000 | 0.00 | 0 | 2.24 | 57 | 0.00 | 0.7 | |
| 15 | | L. Williams | 0 | 2025 | ATL | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 1.00 | .250 | 0.00 | 0 | 3.06 | 78 | 9.00 | 0.1 | ||
| 16 | | JT Brubaker | 0 | 2025 | NYY | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 8 | 0 | 4.50 | 4.50 | 1.00 | 0.00 | 12.5 | 12.5 | 1.00 | .167 | 0.00 | 0 | 3.56 | 85 | 4.50 | 0.1 | |
| 17 | | S. Effross | 0 | 2025 | NYY | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 9.00 | 0.00 | 0.00 | 25.0 | 0.0 | 1.00 | .333 | 0.00 | 0 | 1.06 | 25 | 9.00 | 0.3 | ||
| 18 |  | N. Lopez | 0 | 2025 | TOT | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 50.0 | 3.00 | .000 | 0.00 | 0 | 12.06 | 288 | 0.00 | -0.3 | |
| 19 |  | B. Kriske | 0 | 2025 |  CHC | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 8 | 0 | 4.50 | 9.00 | 0.50 | 0.00 | 12.5 | 25.0 | 1.50 | .200 | 0.00 | 0 | 5.06 | 128 | 4.50 | -0.3 | |
| 20 |  | W. Wilson | 0 | 2025 |  PHI | 2 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 3.0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 12 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 1.00 | .250 | 0.00 | 0 | 3.06 | 75 | 9.00 | 0.3 | ||
| 21 | | D. Daniel | 0 | 2025 | ATL | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 9.00 | 0.00 | 0.00 | 25.0 | 0.0 | 0.00 | .000 | 0.00 | 0 | 4.06 | 103 | 0.00 | 0 | ||
| 22 |  | F. Tarnok | 0 | 2025 |  MIA | 2 | 1 | 0 | 1.000 | 0 | 0.00 | 1 | 0 | 0 | 1 | 2.0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 6 | 0 | 4.50 | 0.00 | 0.00 | 16.7 | 0.0 | 0.00 | .000 | 0.00 | 0 | 3.56 | 89 | 0.00 | 0.1 | |
| 23 |  | J. Amaya | 0 | 2025 |  CWS | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0 | 3.06 | 73 | 0.00 | 0.1 | ||
| 24 |  | L. Vázquez | 0 | 2025 |  BAL | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 0.00 | 9.00 | 0.00 | 0.00 | 0.0 | 33.3 | 1.00 | .000 | 0.00 | 0 | 6.06 | 152 | 0.00 | -0.2 | |
| 25 |  | J. Young | 0 | 2025 |  NYM | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 33.3 | 6.00 | .500 | 0.00 | 0 | 12.06 | 303 | 27.00 | -0.3 | |
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