Seattle Mariners · Pitcher · #88
Cooper Criswell
Age 306' 6" · 200lbBats R · Throws RDebut 2021From Carrollton
ERA
3.32
W-L
4-2
K
31
WHIP
1.40
WAR
0.2
FIP
3.79
League Percentile
2026 season · percentile vs 46 qualified pitchersERA
64
3.32WHIP
8
1.40Strikeouts
0
31K/9
13
6.86Wins
0
4Bottom of leagueAverage (50)Top of league
⚠ Below the qualified innings threshold. Percentiles are for reference only.
the entire league · by ERA
Top 36%
Cooper Criswell's ERA (3.32) ranks above average among 46 qualified pitchers. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.
PITCHING
Season · Career| Category | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 Season | 37 | 3.32 | 4 | 2 | 1 | 40.2 | 31 | 16 | 1.40 |
| Career | 82 | 4.24 | 12 | 9 | 2 | 195.1 | 144 | 64 | 1.43 |
Hover over a stat for its definition.
ARSENAL
Pitch arsenal · 2026 usage and average velocitySinker28.5%avg 146 km/h
Changeup26.5%avg 137 km/h
Cutter19.6%avg 140 km/h
Sweeper17.8%avg 126 km/h
Four-Seam7.0%avg 146 km/h
Slurve0.6%avg 132 km/h
ADVANCED
Advanced metrics · 2026 seasonBABIP
.319
K/9
6.86
BB/9
3.54
HR/9
0.66
Quality starts
0
Whiff%
20.7%
GAME LOG
Last 10 games · includes team result| Date | Opp | Innings | Hits | ER | Walks | Strikeouts | Team |
|---|---|---|---|---|---|---|---|
| 09.27 | vs LAA | 1.0 | 1 | 0 | 1 | 0 | W |
| 09.24 | vs LAA | 1.0 | 1 | 1 | 2 | 0 | L |
| 09.23 | vs HOU | 1.0 | 1 | 0 | 0 | 1 | W |
| 09.19 | @ COL | 0.1 | 1 | 0 | 2 | 0 | L |
| 09.16 | @ LAA | 1.2 | 1 | 0 | 0 | 1 | W |
| 09.14 | @ LAA | 0.2 | 2 | 1 | 1 | 2 | L |
| 09.12 | @ ATH | 1.0 | 0 | 0 | 0 | 1 | W |
| 09.08 | vs TEX | 1.0 | 3 | 1 | 0 | 2 | L |
| 09.04 | vs ATH | 1.0 | 2 | 0 | 0 | 0 | L |
| 09.02 | @ BOS | 1.0 | 0 | 0 | 0 | 1 | W |
SPLITS
Situational splits (2026)Home
Opp AVG.244
IP23.1
K20
WHIP1.16
Away
Opp AVG.308
IP17.1
K11
WHIP1.73
vs LHP
Opp AVG.237
IP22.1
K17
WHIP1.07
vs RHP
Opp AVG.307
IP18.0
K14
WHIP1.83
RISP
Opp AVG.275
IP12.0
K5
WHIP1.58
YEAR BY YEAR
Year-by-year · Career trendsERALower is better
▼ Trending up year over yearShow yearly figures
| Year | ERA |
|---|---|
| 2021 | 20.25 |
| 2022 | 2.70 |
| 2023 | 5.73 |
| 2024 | 4.08 |
| 2025 | 3.57 |
| 2026 | 3.32 |
WHIPLower is better
▼ Trending up year over yearShow yearly figures
| Year | WHIP |
|---|---|
| 2021 | 4.50 |
| 2022 | 0.90 |
| 2023 | 1.55 |
| 2024 | 1.35 |
| 2025 | 1.58 |
| 2026 | 1.40 |
Strikeouts
▲ Trending up year over yearShow yearly figures
| Year | Strikeouts |
|---|---|
| 2021 | 0 |
| 2022 | 4 |
| 2023 | 27 |
| 2024 | 73 |
| 2025 | 9 |
| 2026 | 31 |
| Year | Team | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | LAA | 1 | 20.25 | 0 | 1 | 0 | 1.1 | 0 | 0 | 4.50 |
| 2022 | TB | 1 | 2.70 | 0 | 0 | 0 | 3.1 | 4 | 1 | 0.90 |
| 2023 | TB | 10 | 5.73 | 1 | 1 | 0 | 33.0 | 27 | 11 | 1.55 |
| 2024 | BOS | 26 | 4.08 | 6 | 5 | 0 | 99.1 | 73 | 31 | 1.35 |
| 2025 | BOS | 7 | 3.57 | 1 | 0 | 1 | 17.2 | 9 | 5 | 1.58 |
| 2026 | SEA | 37 | 3.32 | 4 | 2 | 1 | 40.2 | 31 | 16 | 1.40 |
