Matt Barnes has a record of 7-9 with an ERA of 4.53, 148 strikeouts and 32 saves in 142 appearances since 2021.
| NAME | SEASON | TM | G | W | L | 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 |  | M. Barnes | 2021 |  BOS | 60 | 6 | 5 | .545 | 0 | 3.79 | 84 | 0 | 0 | 24 | 54.2 | 41 | 23 | 25 | 8 | 20 | 2 | 44 | 2 | 222 | 3 | 13.83 | 3.29 | 4.20 | 1.32 | 37.8 | 9.0 | 1.12 | .306 | 4.12 | 83 | 3.20 | 74 | 6.75 | 6.8 |
| 2 | | M. Barnes | 2022 | BOS | 44 | 0 | 4 | .000 | 0 | 4.31 | 34 | 0 | 0 | 8 | 39.2 | 36 | 19 | 22 | 2 | 21 | 3 | 16 | 1 | 176 | 4 | 7.71 | 4.76 | 1.62 | 0.45 | 19.3 | 11.9 | 1.44 | .293 | 4.99 | 105 | 3.86 | 97 | 8.17 | 0.5 |
| 3 |  | M. Barnes | 2023 |  MIA | 24 | 1 | 0 | 1.000 | 1 | 5.48 | 20 | 0 | 0 | 0 | 21.1 | 25 | 13 | 13 | 2 | 10 | 1 | 3 | 1 | 99 | 2 | 8.44 | 4.22 | 2.00 | 0.84 | 20.2 | 10.1 | 1.64 | .348 | 5.48 | 123 | 4.14 | 95 | 10.55 | 0.6 |
| 4 |  | M. Barnes | 2024 |  WSH | 14 | 0 | 0 | 0 | 6.75 | 10 | 0 | 0 | 0 | 13.1 | 16 | 10 | 11 | 1 | 4 | 0 | 8 | 0 | 60 | 2 | 6.75 | 2.70 | 2.50 | 0.68 | 16.7 | 6.7 | 1.50 | .333 | 7.43 | 165 | 3.53 | 86 | 10.80 | 0.8 | |
| Total | 142 | 7 | 9 | .438 | 1 | 4.53 | 148 | 0 | 0 | 32 | 129.0 | 118 | 65 | 71 | 13 | 55 | 6 | 71 | 4 | 557 | 11 | 10.33 | 3.84 | 2.69 | 0.91 | 26.6 | 9.9 | 1.34 | .313 | 4.95 | 105 | 3.59 | 86 | 8.23 | 8.7 |
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