Zack Kelly
#37PAge 31
Bats
Right
Throws
Right
Height
6' 3"
Weight
231 lb
Born
Mar 3, 1995
Birthplace
Roanoke, VA
MLB Service
3.151
Years.Days (est.)
Draft
—
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Current Contract
No multi-year contract breakdown available. Player may be pre-arbitration, a minor leaguer, or a free agent.
MLB Pitching — Year by Year
2026 updates live from MLB| Year | Team | G | W-L | SV | IP | ERA | WHIP | K | WAR |
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Boston Red Sox | 13 | 1-0 | 0 | 13.2 | 3.95 | 1.32 | 11 | -0.0 |
| 2023 | Boston Red Sox | 8 | 0-0 | 0 | 9.1 | 3.86 | 1.61 | 6 | -0.1 |
| 2024 | Boston Red Sox | 49 | 6-3 | 0 | 56.2 | 3.97 | 1.25 | 61 | -0.3 |
| 2025 | Boston Red Sox | 28 | 1-3 | 0 | 35.1 | 4.58 | 1.33 | 35 | 0.4 |
| 2026 | Boston Red Sox | 17 | 0-2 | 0 | 16.1 | 3.31 | 1.29 | 14 | 0.1 |
| Career | 115 | 8-8 | 0 | 131.1 | 4.04 | 1.31 | 127 | 0.2 | |