50 pitchers were tied for winning the fewest games in 2021, with 0 wins. The first three are Fernando Abad, Domingo Acevedo and R.J. Alaniz.
Interpreted as:
least wins by a player 2021| NAME | W | SEASON | TM | L | W% | G | 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 |  | F. Abad | 0 | 2021 |  BAL | 0 | 16 | 0 | 5.60 | 10 | 0 | 0 | 0 | 17.2 | 23 | 11 | 12 | 1 | 7 | 0 | 4 | 1 | 82 | 0 | 5.09 | 3.57 | 1.43 | 0.51 | 12.2 | 8.5 | 1.70 | .344 | 6.11 | 127 | 3.95 | 87 | 11.72 | 1.1 | |
| 2 |  | D. Acevedo | 0 | 2021 |  OAK | 0 | 10 | 0 | 3.27 | 9 | 0 | 0 | 0 | 11.0 | 9 | 4 | 4 | 3 | 4 | 0 | 7 | 0 | 44 | 0 | 7.36 | 3.27 | 2.25 | 2.45 | 20.5 | 9.1 | 1.18 | .214 | 3.27 | 80 | 6.16 | 149 | 7.36 | -2.6 | |
| 3 |  | R.J. Alaniz | 0 | 2021 |  CIN | 0 | 3 | 0 | 3.38 | 3 | 0 | 0 | 0 | 2.2 | 1 | 1 | 1 | 1 | 3 | 1 | 0 | 0 | 13 | 0 | 10.13 | 10.13 | 1.00 | 3.38 | 23.1 | 23.1 | 1.50 | .000 | 3.38 | 77 | 10.29 | 231 | 3.38 | -1.6 | |
| 4 |  | H. Alberto | 0 | 2021 |  KCR | 0 | 1 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0 | 3.16 | 75 | 0.00 | 0 | ||
| 5 |  | S. Alcantara | 0 | 2021 |  CHC | 0 | 1 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0 | 3.16 | 75 | 0.00 | 0 | ||
| 6 |  | S. Alexander | 0 | 2021 |  LAD | 2 | .000 | 18 | 0 | 2.93 | 8 | 0 | 0 | 0 | 15.1 | 15 | 5 | 6 | 2 | 4 | 1 | 6 | 1 | 67 | 1 | 4.70 | 2.35 | 2.00 | 1.17 | 11.9 | 6.0 | 1.24 | .250 | 3.52 | 72 | 4.79 | 112 | 8.80 | -0.9 |
| 7 |  | A. Almora Jr. | 0 | 2021 |  NYM | 0 | 1 | 0 | 27.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 0 | 6 | 0 | 0.00 | 9.00 | 0.00 | 9.00 | 0.0 | 16.7 | 2.00 | .000 | 27.00 | 677 | 22.16 | 528 | 9.00 | -2 | |
| 8 |  | D. Altavilla | 0 | 2021 |  SDP | 0 | 2 | 0 | 6.75 | 2 | 0 | 0 | 0 | 1.1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 5 | 0 | 13.50 | 0.00 | 6.75 | 40.0 | 0.0 | 0.75 | .000 | 6.75 | 171 | 9.91 | 236 | 6.75 | -0.9 | ||
| 9 |  | N. Anderson | 0 | 2021 |  TBR | 1 | .000 | 6 | 0 | 4.50 | 1 | 0 | 0 | 1 | 6.0 | 4 | 3 | 3 | 2 | 2 | 0 | 2 | 0 | 24 | 0 | 1.50 | 3.00 | 0.50 | 3.00 | 4.2 | 8.3 | 1.00 | .105 | 4.50 | 110 | 8.16 | 199 | 6.00 | -2.8 |
| 10 | | S. Anderson | 0 | 2021 | TOT | 0 | 16 | 0 | 8.49 | 19 | 0 | 0 | 0 | 23.1 | 36 | 22 | 30 | 4 | 12 | 2 | 6 | 1 | 124 | 3 | 7.33 | 4.63 | 1.58 | 1.54 | 15.3 | 9.7 | 2.06 | .368 | 11.57 | 198 | 5.56 | 127 | 13.89 | -2.9 | |
| 11 |  | C. Arroyo | 0 | 2021 |  BOS | 0 | 1 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 2 | 1 | 1 | 0 | 1 | 0 | 5 | 0 | 0.00 | 9.00 | 0.00 | 9.00 | 0.0 | 20.0 | 2.00 | .000 | 18.00 | 0 | 19.16 | 444 | 9.00 | -1.6 | |
| 12 |  | W. Astudillo | 0 | 2021 |  MIN | 0 | 4 | 0 | 2.25 | 0 | 0 | 0 | 0 | 4.0 | 1 | 1 | 1 | 1 | 2 | 0 | 4 | 0 | 16 | 0 | 0.00 | 4.50 | 0.00 | 2.25 | 0.0 | 12.5 | 0.75 | .000 | 2.25 | 53 | 7.91 | 187 | 2.25 | -1.7 | |
| 13 |  | L. Avilan | 0 | 2021 |  WSH | 1 | .000 | 4 | 0 | 12.60 | 4 | 0 | 0 | 0 | 5.0 | 7 | 7 | 7 | 1 | 3 | 1 | 0 | 0 | 27 | 0 | 7.20 | 5.40 | 1.33 | 1.80 | 14.8 | 11.1 | 2.00 | .333 | 12.60 | 300 | 6.56 | 153 | 12.60 | -1.3 |
| 14 |  | J. Axford | 0 | 2021 |  MIL | 0 | 1 | 0 | 54.00 | 0 | 0 | 0 | 0 | 0.1 | 2 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 5 | 0 | 0.00 | 27.00 | 0.00 | 0.00 | 0.0 | 20.0 | 9.00 | .667 | 54.00 | 1287 | 21.16 | 494 | 54.00 | -0.6 | |
| 15 |  | P. Baez | 0 | 2021 |  HOU | 0 | 4 | 0 | 2.08 | 5 | 0 | 0 | 0 | 4.1 | 2 | 1 | 1 | 1 | 1 | 0 | 3 | 0 | 15 | 1 | 10.38 | 2.08 | 5.00 | 2.08 | 33.3 | 6.7 | 0.69 | .125 | 2.08 | 49 | 4.55 | 107 | 4.15 | -0.2 | |
| 16 |  | B. Baker | 0 | 2021 |  TOR | 0 | 1 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 9.00 | 0.00 | 0.00 | 25.0 | 0.0 | 1.00 | .333 | 0.00 | 0 | 1.16 | 27 | 9.00 | 0.3 | ||
| 17 | | A. Baldonado | 0 | 2021 | WSH | 1 | .000 | 14 | 0 | 8.44 | 12 | 0 | 0 | 0 | 10.2 | 10 | 10 | 10 | 3 | 7 | 0 | 1 | 0 | 49 | 1 | 10.13 | 5.91 | 1.71 | 2.53 | 24.5 | 14.3 | 1.59 | .259 | 8.44 | 201 | 6.54 | 153 | 8.44 | -2.6 |
| 18 | | C. Bedrosian | 0 | 2021 | TOT | 0 | 26 | 1 | 5.04 | 23 | 0 | 0 | 0 | 25.0 | 27 | 14 | 14 | 6 | 17 | 0 | 8 | 0 | 116 | 0 | 8.28 | 6.12 | 1.35 | 2.16 | 19.8 | 14.7 | 1.76 | .300 | 5.04 | 118 | 6.48 | 151 | 9.72 | -6 | |
| 19 |  | T. Beede | 0 | 2021 |  SFG | 0 | 1 | 0 | 27.00 | 2 | 0 | 0 | 0 | 1.0 | 2 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 6 | 1 | 18.00 | 0.00 | 0.00 | 33.3 | 0.0 | 2.00 | .667 | 27.00 | 670 | 2.16 | 53 | 18.00 | 0.2 | ||
| 20 |  | A. Bellatti | 0 | 2021 |  MIA | 0 | 3 | 0 | 13.50 | 4 | 0 | 0 | 0 | 3.1 | 6 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 19 | 0 | 10.80 | 5.40 | 2.00 | 0.00 | 21.1 | 10.5 | 2.40 | .462 | 13.50 | 322 | 2.56 | 62 | 16.20 | 0.6 | |
| 21 |  | A. Bemboom | 0 | 2021 |  LAA | 0 | 1 | 0 | 18.00 | 0 | 0 | 0 | 0 | 1.0 | 3 | 2 | 2 | 1 | 0 | 0 | 1 | 0 | 7 | 0 | 0.00 | 0.00 | 9.00 | 0.0 | 0.0 | 3.00 | .333 | 18.00 | 408 | 16.16 | 371 | 27.00 | -1.3 | ||
| 22 |  | W. Benjamin | 0 | 2021 |  TEX | 2 | .000 | 13 | 2 | 8.74 | 19 | 0 | 0 | 0 | 22.2 | 29 | 22 | 23 | 6 | 17 | 0 | 4 | 0 | 112 | 1 | 7.54 | 6.75 | 1.12 | 2.38 | 17.0 | 15.2 | 2.03 | .329 | 9.13 | 198 | 7.18 | 163 | 11.51 | -6.8 |
| 23 | | D. Betances | 0 | 2021 | NYM | 0 | 1 | 0 | 9.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 5 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 20.0 | 20.0 | 1.00 | .000 | 9.00 | 226 | 7.16 | 171 | 0.00 | -0.3 | |
| 24 |  | J. Biddle | 0 | 2021 |  ATL | 0 | 8 | 0 | 8.44 | 11 | 0 | 0 | 0 | 10.2 | 10 | 10 | 10 | 1 | 8 | 2 | 5 | 0 | 51 | 4 | 9.28 | 6.75 | 1.38 | 0.84 | 21.6 | 15.7 | 1.69 | .310 | 8.44 | 199 | 5.13 | 122 | 8.44 | -1.1 | |
| 25 | | A. Blandino | 0 | 2021 | CIN | 0 | 4 | 0 | 9.82 | 1 | 0 | 0 | 0 | 3.2 | 4 | 4 | 5 | 1 | 4 | 0 | 2 | 0 | 18 | 0 | 2.45 | 9.82 | 0.25 | 2.45 | 5.6 | 22.2 | 2.18 | .250 | 12.27 | 223 | 9.43 | 212 | 9.82 | -1.9 | |
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