Cooper Criswell stats and game log
Cooper Criswell is the Seattle Mariners relief pitcher (No. 88). In the 2026 regular season through September 27, 2026, Cooper Criswell has played 37 games: 40.2 innings, 31 strikeouts and a 3.32 ERA.
Research summary
- Recent form: 0.4 strikeouts per game over the last 5 games, against 0.8 over the season (37 games).
- Role: 1.0 innings per game over the last 5 games, against 1.0 over the season.
- Consistency: at or above the season average (0.8 strikeouts) in 21 of 37 games.
- Home and road: 1 strikeouts per game at home (20 games), 0.6 on the road (17).
How often
| Threshold | Last 5 | Last 10 | Season |
|---|---|---|---|
| 4+ strikeouts | 0 of 5 | 0 of 10 | 1 of 37 |
| 5+ strikeouts | 0 of 5 | 0 of 10 | 1 of 37 |
Figures are MLB regular-season games; samples are stated and small samples move quickly.
Team: Seattle Mariners stats and results.
6'6" · 200 lb
2026 regular season
| Games | IP | H | ER | BB | K | HR | PIT | |
|---|---|---|---|---|---|---|---|---|
| 2026 per game | 37 | 1.0 | 1.1 | 0.4 | 0.4 | 0.8 | 0.1 | 17.4 |
| 2026 totals | 37 | 40.2 | 41 | 15 | 16 | 31 | 3 | 642 |
2025 regular season
7 regular-season games in 2025 for comparison, played for BOS. Playoff games are not in these figures.
| Games | IP | H | R | ER | BB | K | HR | HB | |
|---|---|---|---|---|---|---|---|---|---|
| 2025 per game | 7 | 2.2 | 3.3 | 1.4 | 1 | 0.7 | 1.3 | 0.4 | 0 |
| 2025 totals | 7 | 17.2 | 23 | 10 | 7 | 5 | 9 | 3 | 0 |
Rates in 2026
Cooper Criswell has pitched 40.2 innings in 37 games (0 starts) with 31 strikeouts and a 3.32 ERA.
| Measure | Value |
|---|---|
| ERA (earned runs per 9 innings) | 3.32 |
| WHIP (walks and hits per inning) | 1.40 |
| Strikeouts per 9 innings | 6.9 |
| Strikeout-to-walk ratio | 1.94 |
| Starts | 0 |
Home, road and recent form, 2026
| Split | Games | K/g | IP/g | ER/g |
|---|---|---|---|---|
| Home | 20 | 1 | 1.0 | 0.3 |
| Road | 17 | 0.6 | 1.0 | 0.5 |
| Last 5 games | 5 | 0.4 | 1.0 | 0.2 |
| Season | 37 | 0.8 | 1.0 | 0.4 |
Game log
| Date | Opponent | Result | IP | H | ER | BB | K | HR | PIT |
|---|---|---|---|---|---|---|---|---|---|
| Sep 27, 2026 | vs LAA | W | 1.0 | 1 | 0 | 1 | 0 | 0 | 12 |
| Sep 24, 2026 | vs LAA | L | 1.0 | 1 | 1 | 2 | 0 | 0 | 22 |
| Sep 23, 2026 | vs HOU | W | 1.0 | 1 | 0 | 0 | 1 | 0 | 15 |
| Sep 19, 2026 | @ COL | L | 0.1 | 1 | 0 | 2 | 0 | 0 | 19 |
| Sep 16, 2026 | @ LAA | W | 1.2 | 1 | 0 | 0 | 1 | 0 | 22 |
| Sep 14, 2026 | @ LAA | L | 0.2 | 2 | 1 | 1 | 2 | 0 | 24 |
| Sep 12, 2026 | @ OAK | W | 1.0 | 0 | 0 | 0 | 1 | 0 | 10 |
| Sep 8, 2026 | vs TEX | L | 1.0 | 3 | 1 | 0 | 2 | 0 | 19 |
| Sep 4, 2026 | vs OAK | L | 1.0 | 2 | 0 | 0 | 0 | 0 | 21 |
| Sep 2, 2026 | @ BOS | W | 1.0 | 0 | 0 | 0 | 1 | 0 | 9 |
Mariners teammates
- Andres Munoz (RP)
- Brendan Donovan (3B)
- Brock Rodden (SS)
- Bryan Woo (SP)
- Bryce Miller (SP)
- Cal Raleigh (C)
- Carlos Vargas (RP)
- Cole Wilcox (RP)
- Cole Young (2B)
- Dominic Canzone (DH)
- Eduard Bazardo (RP)
- Emerson Hancock (SP)
- Gabe Speier (RP)
- George Kirby (SP)
- Hoby Milner (RP)
- J.P. Crawford (SS)
- Jhonny Pereda (C)
- Jose Ferrer (RP)
- Josh Naylor (1B)
- Julio Rodriguez (CF)
- Lazaro Montes (RF)
- Leo Rivas (3B)
- Logan Gilbert (SP)
- Michael Arroyo (SS)
- Michael Rucker (RP)
- Michael Toglia (1B)
- Nick Davila (RP)
- Patrick Wisdom (3B)
- Randy Arozarena (LF)
- Seranthony Dominguez (RP)
- Stuart Fairchild (CF)
- Taylor Ward (DH)
- Victor Robles (RF)
- Weston Wilson (3B)
How to read these numbers
- Games are the games Cooper Criswell played.
- Season tables are regular-season games only. The game log includes playoff games, labeled, and reaches into last season when needed.
- A dash (–) means the statistic is not recorded for that game, never zero (hover it for the reason). A column with no recorded value is left out.
This page shows statistics and results only. It contains no sportsbook prices or betting lines. Current markets, hit rates against the line and StatsNext research are in the app.
Research in StatsNext
- Cooper Criswell in StatsNext: Player Research with splits, matchup context and current props
- Seattle Mariners stats and results
- Angels at Mariners, September 27, 2026
- Angels at Mariners, September 24, 2026
- Astros at Mariners, September 23, 2026
- All MLB player stats, 2026