Boston Red Sox· #76· Pitcher
Zack Kelly
Bats R · Throws R·Age 31 (Mar 3, 1995)·6' 3", 231 lb·Roanoke, VA, USA
2026 Pitching
ERA
3.31
WHIP
1.29
IP
16.1
K%
19.7
BB%
9.9
K/9
7.71
W-L
0-2
GS
0
SV
0
HLD
3
DiamondIQ WAR
16.3 IP · 2026
0.2
2.2 runs above replacement
FIP · 3.640.0
vs replacement · RP, 16.3 IP+2.2
FIP-based runs above replacement, park-adjusted, scaled by innings over runs-per-win. Reliever leverage is simplified (v1). Full methodology.
Pitch Arsenal · Statcast
Cutter44% · 90.6 · 21% whiff
Sweeper22% · 81.6 · 29% whiff
Sinker17% · 95.9 · 11% whiff
Four-Seam14% · 96.1 · 18% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Boston Red Sox | 0 | 2 | 3.31 | 17 | 0 | 0 | 16.1 | 14 | 7 | 1.29 | 7.71 |
| 2025 | Boston Red Sox | 1 | 3 | 4.58 | 28 | 0 | 0 | 35.1 | 35 | 12 | 1.33 | 8.92 |
| 2024 | Boston Red Sox | 6 | 3 | 3.97 | 49 | 3 | 0 | 56.2 | 61 | 27 | 1.25 | 9.69 |
| 2023 | Boston Red Sox | 0 | 0 | 3.86 | 8 | 0 | 0 | 9.1 | 6 | 8 | 1.61 | 5.79 |
| 2022 | Boston Red Sox | 1 | 0 | 3.95 | 13 | 0 | 0 | 13.2 | 11 | 4 | 1.32 | 7.24 |
Recent Games
May 19 @ Kansas City RoyalsW
0.2 IP, 0 ER, 0 K, 0 BB
May 14 vs Philadelphia PhilliesL
0.2 IP, 0 ER, 1 K, 0 BB
May 12 vs Philadelphia PhilliesL
1.0 IP, 0 ER, 1 K, 0 BB
May 10 vs Tampa Bay RaysL
0.1 IP, 1 ER, 0 K, 1 BB
May 6 @ Detroit TigersW
1.0 IP, 0 ER, 2 K, 2 BB
May 3 vs Houston AstrosL
1.0 IP, 1 ER, 0 K, 2 BB
May 1 vs Houston AstrosW
1.1 IP, 0 ER, 2 K, 0 BB
Apr 28 @ Toronto Blue JaysL
1.0 IP, 0 ER, 2 K, 1 BB
Apr 26 @ Baltimore OriolesW
0.1 IP, 0 ER, 0 K, 0 BB
Apr 22 vs New York YankeesL
1.0 IP, 0 ER, 2 K, 0 BB