50 pitchers are tied for losing the fewest games in a season, with 0 games this season. The first three are Shaun Anderson, Tanner Banks and Scott Barlow.
| NAME | L | SEASON | TM | W | L% | G | W% | 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 | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | S. Anderson | 0 | 2025 |  LAA | 1 | .000 | 6 | 1.000 | 0 | 7.59 | 10 | 0 | 0 | 0 | 10.2 | 16 | 9 | 9 | 4 | 3 | 0 | 2 | 0 | 50 | 0 | 8.44 | 2.53 | 3.33 | 3.38 | 20.0 | 6.0 | 1.78 | .364 | 7.59 | 185 | 6.92 | 164 | 13.50 | -3.1 |
| 2 | | T. Banks | 0 | 2025 |  PHI | 2 | .000 | 38 | 1.000 | 1 | 3.12 | 40 | 0 | 0 | 1 | 40.1 | 33 | 14 | 15 | 5 | 5 | 0 | 10 | 0 | 157 | 2 | 8.93 | 1.12 | 8.00 | 1.12 | 25.5 | 3.2 | 0.94 | .262 | 3.35 | 76 | 3.08 | 74 | 7.36 | 4.7 |
| 3 | | S. Barlow | 0 | 2025 |  CIN | 3 | .000 | 43 | 1.000 | 0 | 4.05 | 40 | 0 | 0 | 0 | 40.0 | 27 | 18 | 19 | 3 | 24 | 3 | 2 | 2 | 173 | 2 | 9.00 | 5.40 | 1.67 | 0.68 | 23.1 | 13.9 | 1.27 | .233 | 4.27 | 93 | 4.08 | 95 | 6.08 | 1 |
| 4 | | T. Barnhart | 0 | 2025 |  TEX | 0 | 1 | 0 | 13.50 | 0 | 0 | 0 | 0 | 2.0 | 5 | 3 | 3 | 0 | 0 | 1 | 1 | 0 | 11 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 2.50 | .500 | 13.50 | 336 | 4.58 | 110 | 22.50 | -0.1 | |||
| 5 | | J. Bauers | 0 | 2025 |  MIL | 0 | 5 | 0 | 3.60 | 1 | 0 | 0 | 0 | 5.0 | 8 | 2 | 4 | 0 | 3 | 2 | 5 | 0 | 29 | 0 | 1.80 | 5.40 | 0.33 | 0.00 | 3.4 | 10.3 | 2.20 | .348 | 7.20 | 87 | 5.68 | 139 | 14.40 | -0.9 | ||
| 6 | | J. Berti | 0 | 2025 |  CHC | 0 | 2 | 0 | 10.80 | 0 | 0 | 0 | 0 | 1.2 | 3 | 2 | 2 | 0 | 3 | 0 | 2 | 0 | 11 | 0 | 0.00 | 16.20 | 0.00 | 0.00 | 0.0 | 27.3 | 3.60 | .375 | 10.80 | 270 | 8.48 | 214 | 16.20 | -0.9 | ||
| 7 | | S. Blewett | 0 | 2025 | TOT | 3 | .000 | 25 | 1.000 | 2 | 4.78 | 35 | 0 | 0 | 0 | 43.1 | 41 | 23 | 25 | 8 | 18 | 1 | 9 | 0 | 187 | 1 | 7.27 | 3.74 | 1.94 | 1.66 | 18.7 | 9.6 | 1.36 | .264 | 5.19 | 118 | 5.18 | 130 | 8.52 | -5.8 |
| 8 | | R. Brasier | 0 | 2025 | CHC | 0 | 17 | 0 | 1.10 | 12 | 0 | 0 | 0 | 16.1 | 12 | 2 | 2 | 0 | 3 | 0 | 3 | 0 | 60 | 0 | 6.61 | 1.65 | 4.00 | 0.00 | 20.0 | 5.0 | 0.92 | .267 | 1.10 | 28 | 2.16 | 54 | 6.61 | 3.3 | ||
| 9 | | J. Brebbia | 0 | 2025 |  DET | 1 | .000 | 19 | 1.000 | 0 | 7.71 | 20 | 0 | 0 | 0 | 18.2 | 22 | 16 | 18 | 3 | 11 | 3 | 11 | 0 | 93 | 2 | 9.64 | 5.30 | 1.82 | 1.45 | 21.5 | 11.8 | 1.77 | .339 | 8.68 | 194 | 5.27 | 130 | 10.61 | -2.6 |
| 10 | | J. Brigham | 0 | 2025 |  AZ | 0 | 4 | 0 | 8.10 | 3 | 0 | 0 | 0 | 3.1 | 7 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 18 | 0 | 8.10 | 2.70 | 3.00 | 2.70 | 16.7 | 5.6 | 2.40 | .462 | 8.10 | 194 | 6.08 | 155 | 18.90 | -0.8 | ||
| 11 | | N. Burdi | 0 | 2025 |  BOS | 0 | 4 | 0 | 0.00 | 5 | 0 | 0 | 0 | 5.1 | 5 | 0 | 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 | 2.33 | 56 | 8.44 | 1.1 | ||
| 12 | | R. Burr | 0 | 2025 |  TOR | 1 | .000 | 2 | 1.000 | 0 | 0.00 | 3 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 0 | 13.50 | 4.50 | 3.00 | 0.00 | 37.5 | 12.5 | 1.00 | .250 | 0.00 | 0 | 1.58 | 39 | 4.50 | 0.6 |
| 13 | | G. Cabrera | 0 | 2025 | TOT | 0 | 19 | 0 | 5.40 | 18 | 0 | 0 | 0 | 21.2 | 20 | 13 | 13 | 6 | 6 | 1 | 5 | 0 | 88 | 0 | 7.48 | 2.49 | 3.00 | 2.49 | 20.5 | 6.8 | 1.20 | .246 | 5.40 | 135 | 5.98 | 150 | 8.31 | -4.9 | ||
| 14 | | L. F. Castillo | 0 | 2025 |  SEA | 0 | 2 | 2 | 7.71 | 5 | 0 | 0 | 0 | 7.0 | 12 | 6 | 7 | 0 | 7 | 0 | 0 | 0 | 41 | 0 | 6.43 | 9.00 | 0.71 | 0.00 | 12.2 | 17.1 | 2.71 | .414 | 9.00 | 204 | 4.65 | 118 | 15.43 | -0.6 | ||
| 15 | | M. Castro | 0 | 2025 |  CWS | 0 | 6 | 0 | 7.50 | 4 | 0 | 0 | 0 | 6.0 | 5 | 5 | 5 | 1 | 5 | 1 | 1 | 0 | 28 | 0 | 6.00 | 7.50 | 0.80 | 1.50 | 14.3 | 17.9 | 1.67 | .235 | 7.50 | 185 | 6.91 | 164 | 7.50 | -1.7 | ||
| 16 | | W. Castro | 0 | 2025 |  MIN | 0 | 1 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 1.00 | .250 | 0.00 | 0 | 3.08 | 75 | 9.00 | 0.1 | |||
| 17 | | A. Chafin | 0 | 2025 |  WSH | 0 | 19 | 0 | 3.14 | 15 | 0 | 0 | 0 | 14.1 | 15 | 5 | 7 | 1 | 11 | 0 | 5 | 0 | 66 | 4 | 9.42 | 6.91 | 1.36 | 0.63 | 22.7 | 16.7 | 1.81 | .359 | 4.40 | 77 | 4.19 | 102 | 9.42 | -0.2 | ||
| 18 | | J. Chavez | 0 | 2025 |  ATL | 0 | 3 | 0 | 6.00 | 7 | 0 | 0 | 0 | 6.0 | 8 | 4 | 4 | 3 | 4 | 0 | 0 | 0 | 30 | 0 | 10.50 | 6.00 | 1.75 | 4.50 | 23.3 | 13.3 | 2.00 | .313 | 6.00 | 144 | 9.24 | 233 | 12.00 | -3.6 | ||
| 19 | | D. Coulombe | 0 | 2025 | MIN | 1 | .000 | 34 | 1.000 | 1 | 0.69 | 28 | 0 | 0 | 2 | 26.0 | 17 | 2 | 2 | 0 | 7 | 0 | 7 | 0 | 101 | 1 | 9.69 | 2.42 | 4.00 | 0.00 | 27.7 | 6.9 | 0.92 | .258 | 0.69 | 17 | 1.73 | 42 | 5.88 | 6.8 |
| 20 | | J. Curtiss | 0 | 2025 | AZ | 1 | .000 | 5 | 1.000 | 0 | 3.18 | 3 | 0 | 0 | 0 | 5.2 | 5 | 2 | 2 | 0 | 1 | 0 | 2 | 0 | 23 | 0 | 4.76 | 1.59 | 3.00 | 0.00 | 13.0 | 4.3 | 1.06 | .263 | 3.18 | 76 | 2.55 | 65 | 7.94 | 0.9 |
| 21 | | C. Devenski | 0 | 2025 |  NYM | 0 | 6 | 1 | 2.45 | 7 | 0 | 0 | 0 | 7.1 | 5 | 2 | 2 | 0 | 1 | 0 | 3 | 0 | 28 | 0 | 8.59 | 1.23 | 7.00 | 0.00 | 25.0 | 3.6 | 0.82 | .250 | 2.45 | 62 | 1.58 | 39 | 6.14 | 2 | ||
| 22 |  | E. Díaz | 0 | 2025 | NYM | 4 | .000 | 36 | 1.000 | 0 | 1.75 | 54 | 0 | 0 | 18 | 36.0 | 20 | 7 | 8 | 2 | 12 | 3 | 27 | 0 | 139 | 5 | 13.50 | 3.00 | 4.50 | 0.50 | 38.8 | 8.6 | 0.89 | .265 | 2.00 | 44 | 2.05 | 51 | 5.00 | 7.9 |
| 23 | | J. Díaz | 0 | 2025 | SEA | 0 | 1 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 6.75 | 0.00 | 0.00 | 20.0 | 0.0 | 0.75 | .250 | 0.00 | 0 | 1.58 | 40 | 6.75 | 0.4 | |||
| 24 | | D. Dunning | 0 | 2025 | TEX | 0 | 4 | 0 | 2.70 | 9 | 0 | 0 | 2 | 10.0 | 8 | 3 | 3 | 1 | 5 | 1 | 3 | 1 | 43 | 1 | 8.10 | 4.50 | 1.80 | 0.90 | 20.9 | 11.6 | 1.30 | .259 | 2.70 | 67 | 4.38 | 105 | 7.20 | -0.2 | ||
| 25 | | C. Edwards Jr. | 0 | 2025 | LAA | 0 | 2 | 0 | 9.00 | 2 | 0 | 0 | 0 | 3.0 | 4 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 13 | 0 | 6.00 | 3.00 | 2.00 | 3.00 | 15.4 | 7.7 | 1.67 | .333 | 9.00 | 220 | 7.08 | 168 | 12.00 | -0.9 | ||
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