48 pitchers are tied for the lowest win percentage for the Red Sox in a month in the month of April, at .000. The first three are Payton Tolle, Tyler Uberstine and Zack Kelly last month.
| NAME | W% | MONTH | W | L | 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 | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | P. Tolle | .000 | April 2026 | 0 | 1 | 2 | 2 | 3.38 | 15 | 0 | 0 | 0 | 10.2 | 6 | 4 | 4 | 1 | 5 | 0 | 0 | 0 | 42 | 0 | 12.66 | 4.22 | 3.00 | 0.84 | 35.7 | 11.9 | 1.03 | .238 | 3.38 | 5.06 |
| 2 | | T. Uberstine | .000 | April 2026 | 0 | 1 | 1 | 0 | 3.38 | 2 | 0 | 0 | 0 | 2.2 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 11 | 0 | 6.75 | 3.38 | 2.00 | 3.38 | 18.2 | 9.1 | 1.50 | .286 | 3.38 | 10.13 |
| 3 | | Z. Kelly | .000 | April 2026 | 0 | 1 | 10 | 0 | 3.48 | 8 | 0 | 0 | 0 | 10.1 | 7 | 4 | 4 | 1 | 2 | 0 | 3 | 0 | 40 | 1 | 6.97 | 1.74 | 4.00 | 0.87 | 20.0 | 5.0 | 0.87 | .207 | 3.48 | 6.10 |
| 4 |  | A. Chapman | .000 | April 2026 | 0 | 1 | 7 | 0 | 1.35 | 9 | 0 | 0 | 4 | 6.2 | 5 | 1 | 1 | 0 | 3 | 1 | 6 | 0 | 27 | 0 | 12.15 | 4.05 | 3.00 | 0.00 | 33.3 | 11.1 | 1.20 | .357 | 1.35 | 6.75 |
| 5 | | D. Coulombe | .000 | April 2026 | 0 | 1 | 10 | 0 | 6.75 | 4 | 0 | 0 | 0 | 6.2 | 7 | 5 | 5 | 1 | 2 | 1 | 0 | 0 | 29 | 0 | 5.40 | 2.70 | 2.00 | 1.35 | 13.8 | 6.9 | 1.35 | .286 | 6.75 | 9.45 |
| 6 | | J. Winckowski | .000 | April 2025 | 0 | 1 | 6 | 0 | 3.86 | 9 | 0 | 0 | 0 | 11.2 | 11 | 5 | 7 | 0 | 5 | 1 | 4 | 0 | 52 | 0 | 6.94 | 3.86 | 1.80 | 0.00 | 17.3 | 9.6 | 1.37 | .297 | 5.40 | 8.49 |
| 7 | | R. Fitts | .000 | April 2025 | 0 | 1 | 2 | 2 | 2.45 | 9 | 0 | 0 | 0 | 11.0 | 8 | 3 | 3 | 0 | 5 | 0 | 0 | 0 | 46 | 1 | 7.36 | 4.09 | 1.80 | 0.00 | 19.6 | 10.9 | 1.18 | .250 | 2.45 | 6.55 |
| 8 | | S. Newcomb | .000 | April 2025 | 0 | 2 | 5 | 4 | 3.26 | 26 | 0 | 0 | 0 | 19.1 | 25 | 7 | 11 | 1 | 9 | 1 | 0 | 0 | 91 | 0 | 12.10 | 4.19 | 2.89 | 0.47 | 28.6 | 9.9 | 1.76 | .444 | 5.12 | 11.64 |
| 9 | | T. Houck | .000 | April 2025 | 0 | 1 | 5 | 5 | 7.88 | 22 | 0 | 0 | 0 | 24.0 | 31 | 21 | 22 | 4 | 9 | 2 | 0 | 0 | 110 | 1 | 8.25 | 3.38 | 2.44 | 1.50 | 20.0 | 8.2 | 1.67 | .370 | 8.25 | 11.63 |
| 10 | | J. Slaten | .000 | April 2025 | 0 | 1 | 9 | 0 | 0.00 | 8 | 0 | 0 | 2 | 8.1 | 2 | 0 | 1 | 0 | 3 | 0 | 3 | 2 | 30 | 0 | 8.64 | 3.24 | 2.67 | 0.00 | 26.7 | 10.0 | 0.60 | .105 | 1.08 | 2.16 |
| 11 | | B. Bernardino | .000 | April 2024 | 0 | 1 | 9 | 1 | 0.79 | 11 | 0 | 0 | 0 | 11.1 | 4 | 1 | 1 | 0 | 6 | 1 | 1 | 1 | 43 | 1 | 8.74 | 4.76 | 1.83 | 0.00 | 25.6 | 14.0 | 0.88 | .160 | 0.79 | 3.18 |
| 12 | | I. Campbell | .000 | April 2024 | 0 | 1 | 5 | 0 | 16.62 | 2 | 0 | 0 | 0 | 4.1 | 10 | 8 | 9 | 2 | 2 | 0 | 1 | 0 | 26 | 1 | 4.15 | 4.15 | 1.00 | 4.15 | 7.7 | 7.7 | 2.77 | .400 | 18.69 | 20.77 |
| 13 | | C. Anderson | .000 | April 2024 | 0 | 1 | 7 | 1 | 5.52 | 8 | 0 | 0 | 2 | 14.2 | 13 | 9 | 9 | 3 | 4 | 1 | 5 | 0 | 62 | 1 | 4.91 | 2.45 | 2.00 | 1.84 | 12.9 | 6.5 | 1.16 | .217 | 5.52 | 7.98 |
| 14 |  | B. Bello | .000 | April 2023 | 0 | 1 | 3 | 3 | 6.57 | 14 | 0 | 0 | 0 | 12.1 | 18 | 9 | 9 | 3 | 5 | 1 | 0 | 0 | 59 | 1 | 10.22 | 3.65 | 2.80 | 2.19 | 23.7 | 8.5 | 1.86 | .417 | 6.57 | 13.14 |
| 15 | | C. Martin | .000 | April 2023 | 0 | 1 | 6 | 0 | 3.00 | 2 | 0 | 0 | 0 | 6.0 | 6 | 2 | 2 | 1 | 0 | 0 | 2 | 0 | 24 | 0 | 3.00 | 0.00 | 1.50 | 8.3 | 0.0 | 1.00 | .238 | 3.00 | 9.00 | |
| 16 | | R. Hill | .000 | April 2022 | 0 | 1 | 4 | 4 | 3.71 | 11 | 0 | 0 | 0 | 17.0 | 16 | 7 | 7 | 2 | 6 | 1 | 0 | 0 | 71 | 0 | 5.82 | 3.18 | 1.83 | 1.06 | 15.5 | 8.5 | 1.29 | .275 | 3.71 | 8.47 |
| 17 | | M. Barnes | .000 | April 2022 | 0 | 1 | 9 | 0 | 5.87 | 5 | 0 | 0 | 1 | 7.2 | 7 | 5 | 6 | 0 | 4 | 1 | 2 | 1 | 36 | 1 | 5.87 | 4.70 | 1.25 | 0.00 | 13.9 | 11.1 | 1.43 | .269 | 7.04 | 8.22 |
| 18 | | A. Davis | .000 | April 2022 | 0 | 1 | 10 | 0 | 2.89 | 11 | 0 | 0 | 0 | 9.1 | 9 | 3 | 3 | 1 | 4 | 0 | 1 | 0 | 40 | 0 | 10.61 | 3.86 | 2.75 | 0.96 | 27.5 | 10.0 | 1.39 | .333 | 2.89 | 8.68 |
| 19 |  | N. Pivetta | .000 | April 2022 | 0 | 3 | 4 | 4 | 8.27 | 16 | 0 | 0 | 0 | 16.1 | 19 | 15 | 15 | 4 | 13 | 0 | 0 | 0 | 78 | 2 | 8.82 | 7.16 | 1.23 | 2.20 | 20.5 | 16.7 | 1.96 | .333 | 8.27 | 10.47 |
| 20 | | H. Sawamura | .000 | April 2022 | 0 | 1 | 8 | 0 | 2.57 | 4 | 0 | 0 | 0 | 7.0 | 7 | 2 | 3 | 0 | 3 | 0 | 2 | 1 | 29 | 1 | 5.14 | 3.86 | 1.33 | 0.00 | 13.8 | 10.3 | 1.43 | .318 | 3.86 | 9.00 |
| 21 | | P. Valdez | .000 | April 2022 | 0 | 1 | 7 | 0 | 3.24 | 10 | 0 | 0 | 0 | 8.1 | 2 | 3 | 3 | 0 | 2 | 4 | 3 | 0 | 32 | 0 | 10.80 | 2.16 | 5.00 | 0.00 | 31.3 | 6.3 | 0.48 | .125 | 3.24 | 2.16 |
| 22 | | M. Pérez | .000 | April 2021 | 0 | 2 | 5 | 5 | 4.70 | 22 | 0 | 0 | 0 | 23.0 | 25 | 12 | 13 | 1 | 9 | 5 | 0 | 0 | 106 | 1 | 8.61 | 3.52 | 2.44 | 0.39 | 20.8 | 8.5 | 1.48 | .348 | 5.09 | 9.78 |
| 23 | | D. Hernandez | .000 | April 2021 | 0 | 1 | 10 | 0 | 4.00 | 13 | 0 | 0 | 0 | 9.0 | 8 | 4 | 5 | 1 | 8 | 0 | 2 | 0 | 42 | 1 | 13.00 | 8.00 | 1.63 | 1.00 | 31.0 | 19.0 | 1.78 | .350 | 5.00 | 8.00 |
| 24 | | T. Houck | .000 | April 2021 | 0 | 2 | 3 | 2 | 4.35 | 12 | 0 | 0 | 0 | 10.1 | 14 | 5 | 7 | 1 | 1 | 0 | 0 | 0 | 45 | 1 | 10.45 | 0.87 | 12.00 | 0.87 | 26.7 | 2.2 | 1.45 | .419 | 6.10 | 12.19 |
| 25 | | H. Velazquez | .000 | April 2019 | 0 | 2 | 6 | 3 | 3.46 | 12 | 0 | 0 | 0 | 13.0 | 12 | 5 | 5 | 0 | 8 | 0 | 1 | 0 | 53 | 2 | 8.31 | 5.54 | 1.50 | 0.00 | 22.6 | 15.1 | 1.54 | .364 | 3.46 | 8.31 |
StatMuse has game-level data for pitcher win percentage going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
26 | 12 | .684 | ||
17 | 20 | .459 | 8.5 | |
17 | 20 | .459 | 8.5 | |
16 | 21 | .432 | 9.5 | |
14 | 22 | .389 | 11.0 | |
| NL Central | W | L | PCT | GB |
25 | 12 | .676 | ||
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19 | 16 | .543 | 5.0 | |
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| NL West | W | L | PCT | GB |
23 | 14 | .622 | ||
22 | 14 | .611 | 0.5 | |
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|---|---|---|---|---|
25 | 12 | .676 | ||
24 | 12 | .667 | 0.5 | |
17 | 20 | .459 | 8.0 | |
16 | 21 | .432 | 9.0 | |
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| AL Central | W | L | PCT | GB |
19 | 19 | .500 | ||
18 | 20 | .474 | 1.0 | |
17 | 20 | .459 | 1.5 | |
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18 | 18 | .500 | ||
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15 | 23 | .395 | 4.0 | |
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