Statistics| Year | Team | G | IP | BF | H | HR | K | BB | IBB | HB | ER | Win | Sav | WHIP | ERA | K/BB | BABIP | FIP | kwERA |
|---|
| 2024 | Red Sox | 17 | 24.00 | 97 | 11 | 2 | 26 | 13 | 1 | 1 | 5 | 0 | 0 | 1.000 | 1.88 | 2.00 | .164 | 3.64 | 3.78 |
| 2023 | Red Sox | 8 | 9.33 | 43 | 7 | 0 | 6 | 8 | 0 | 2 | 4 | 0 | 0 | 1.607 | 3.86 | 0.75 | .259 | 5.03 | 6.52 |
| 2022 | Red Sox | 13 | 13.67 | 59 | 14 | 2 | 11 | 4 | 0 | 0 | 6 | 1 | 0 | 1.317 | 3.95 | 2.75 | .286 | 4.27 | 3.98 |
| Total MLB | 38 | 47.00 | 199 | 32 | 4 | 43 | 25 | 1 | 3 | 15 | 1 | 0 | 1.213 | 2.87 | 1.72 | .226 | 4.10 | 4.43 |
| 2019 | Spring | 2 | 2.00 | 9 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 1 | 1 | 1.500 | 0.00 | 0.67 | .000 | 5.60 | 6.73 |
2019 Game Log| Preseason | | Pos | IP | BF | H | HR | K | BB | IBB | HB | ER | Win | Sav | WHIP | ERA | K/BB | BABIP | FIP | kwERA |
|---|
| 2019-03-22 | v CWS | RP | 1.00 | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1.000 | 0.00 | 1.00 | .000 | 4.10 | 5.40 |
| 2019-03-11 | @ Tex | RP | 1.00 | 5 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 2.000 | 0.00 | 0.50 | .000 | 7.10 | 7.80 |
| Total | 2.00 | 9 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 1 | 1 | 1.500 | 0.00 | 0.67 | .000 | 5.60 | 6.73 |
| | Date | Time | Headline |
|---|
| Sat Sep 2 2023 | 13:17 | Zack Kelly Looks Sharp In Rehab Appearance On Friday | | Sun Apr 16 2023 | 17:32 | Zack Kelly Moved To 60-Day Injured List | | Wed Apr 12 2023 | 21:07 | Zack Kelly Leaves With Injury On Wednesday |
| |