Seattle Mariners· #88· Pitcher
Cooper Criswell
Bats R · Throws R·Age 30 (Jul 24, 1996)·6' 6", 200 lb·Carrollton, GA, USA
2026 Pitching
ERA
3.32
WHIP
1.40
IP
40.2
K%
18.0
BB%
9.3
K/9
6.86
W-L
4-2
GS
0
SV
1
HLD
3
DiamondIQ WAR
40.7 IP · 2026
0.4
3.5 runs above replacement
FIP · 3.78 (park 0.89)0.0
vs replacement · RP, 40.7 IP+3.5
FIP-based runs above replacement, park-adjusted, scaled by innings over runs-per-win. Reliever leverage is simplified (v1). Full methodology.
Pitch Arsenal · Statcast
Sinker29% · 90.7 · 11% whiff
Changeup27% · 85.3 · 23% whiff
Cutter20% · 87.0 · 28% whiff
Sweeper18% · 78.3 · 25% whiff
Four-Seam7% · 90.6 · 26% whiff
Slurve1% · 82.1 · 0% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Seattle Mariners | 4 | 2 | 3.32 | 37 | 0 | 1 | 40.2 | 31 | 16 | 1.40 | 6.86 |
| 2025 | Boston Red Sox | 1 | 0 | 3.57 | 7 | 1 | 1 | 17.2 | 9 | 5 | 1.58 | 4.58 |
| 2024 | Boston Red Sox | 6 | 5 | 4.08 | 26 | 18 | 0 | 99.1 | 73 | 31 | 1.35 | 6.61 |
| 2023 | Tampa Bay Rays | 1 | 1 | 5.73 | 10 | 0 | 0 | 33.0 | 27 | 11 | 1.55 | 7.36 |
| 2022 | Tampa Bay Rays | 0 | 0 | 2.70 | 1 | 1 | 0 | 3.1 | 4 | 1 | 0.90 | 10.80 |
Recent Games
Sep 27 vs Los Angeles AngelsW
1.0 IP, 0 ER, 0 K, 1 BB
Sep 24 vs Los Angeles AngelsL
1.0 IP, 1 ER, 0 K, 2 BB
Sep 23 vs Houston AstrosW
1.0 IP, 0 ER, 1 K, 0 BB
Sep 19 @ Colorado RockiesL
0.1 IP, 0 ER, 0 K, 2 BB
Sep 16 @ Los Angeles AngelsW
1.2 IP, 0 ER, 1 K, 0 BB
Sep 14 @ Los Angeles AngelsL
0.2 IP, 1 ER, 2 K, 1 BB
Sep 12 @ AthleticsW
1.0 IP, 0 ER, 1 K, 0 BB
Sep 8 vs Texas RangersL
1.0 IP, 1 ER, 2 K, 0 BB
Sep 4 vs AthleticsL
1.0 IP, 0 ER, 0 K, 0 BB
Sep 2 @ Boston Red SoxW
1.0 IP, 0 ER, 1 K, 0 BB