Seattle Mariners

Cooper Criswell

#88 Active
RP ● Seattle Mariners ● 6'6" · 200 lbs ● Bats: R · Throws: R ● North Carolina
Season SV
1
Season ERA
3.32
Season WHIP
1.40
Season K
31
Season HLD
3
Next Matchup vs BAL Fri 10:10 PM ET · SP: K. Gausman

DFS Last 5

Game Log

2026 Regular Season
DATE OPPONENT DEC IP H R ER HR BB SO ERA WHIP PC RESULT
Sep 27 vs. Los Angeles Angels 1.0 1 0 0 0 1 0 3.32 1.40 12 W 3-7
Sep 24 vs. Los Angeles Angels 1.0 1 1 1 0 2 0 3.40 1.39 22 L 6-4
Sep 23 vs. Houston Astros W 1.0 1 1 0 0 0 1 3.26 1.34 15 W 5-6
Sep 19 @ Colorado Rockies 0.1 1 0 0 0 2 0 3.35 1.35 19 L 3-5
Sep 16 @ Los Angeles Angels 1.2 1 0 0 0 0 1 3.38 1.29 22 W 7-2
Sep 14 @ Los Angeles Angels 0.2 2 1 1 0 1 2 3.53 1.32 24 L 4-6
Sep 12 @ Las Vegas Athletics 1.0 0 0 0 0 0 1 3.34 1.26 10 W 19-1
Sep 8 vs. Texas Rangers 1.0 3 1 1 0 0 2 3.44 1.29 19 L 10-5
Sep 4 vs. Las Vegas Athletics 1.0 2 0 0 0 0 0 3.27 1.24 21 L 7-6
Sep 2 @ Boston Red Sox W 1.0 0 0 0 0 0 1 3.38 1.22 9 W 8-3
Aug 31 @ Boston Red Sox L 0.1 1 1 0 0 2 0 3.48 1.26 7 L 8-9
Jun 8 @ Baltimore Orioles 1.1 1 1 1 0 1 0 3.52 1.17 19 W 6-3
Jun 7 @ Detroit Tigers 0.0 3 2 2 0 0 0 3.38 1.16 13 L 4-5
Jun 3 vs. New York Mets 1.0 1 0 0 0 0 1 2.76 1.06 12 L 7-1
Jun 2 vs. New York Mets 2.0 0 0 0 0 1 3 2.86 1.06 23 W 3-8
May 30 vs. Arizona Diamondbacks 1.0 1 0 0 0 0 0 3.08 1.10 20 W 1-5
May 29 vs. Arizona Diamondbacks W 1.0 0 0 0 0 0 0 3.20 1.11 9 W 6-7
May 27 @ Las Vegas Athletics 2.0 2 1 1 0 1 1 3.33 1.15 26 W 9-1
May 24 @ Kansas City Royals 2.0 3 2 2 0 0 0 3.22 1.12 25 L 6-8
May 20 vs. Chicago White Sox 1.0 2 0 0 0 0 1 2.66 1.08 17 W 4-5
May 17 vs. San Diego Padres 0.1 1 1 1 0 1 1 2.79 1.03 19 L 8-3
May 15 vs. San Diego Padres 1.0 2 1 1 0 0 0 2.37 0.95 13 L 2-0
May 13 @ Houston Astros BS 0.2 1 0 0 0 1 0 2.00 0.89 17 L 3-4
May 11 @ Houston Astros HLD 1.0 0 0 0 0 0 1 2.08 0.81 13 W 3-1
May 6 vs. Atlanta Braves HLD 1.0 0 0 0 0 0 1 2.20 0.86 13 W 1-3
May 2 vs. Kansas City Royals L 1.0 0 1 0 0 0 1 2.35 0.91 14 L 3-2
Apr 29 @ Minnesota Twins W 0.1 0 0 0 0 0 0 2.51 0.98 3 W 5-3
Apr 28 @ Minnesota Twins 1.0 0 0 0 0 0 1 2.57 1.00 13 W 7-1
Apr 25 @ St. Louis Cardinals 2.0 3 2 2 1 0 3 2.77 1.08 36 W 11-9
Apr 22 vs. Las Vegas Athletics HLD 1.0 0 0 0 0 0 1 1.64 1.00 9 W 4-5
Apr 20 vs. Las Vegas Athletics 1.0 1 0 0 0 0 0 1.80 1.10 9 L 6-4
Apr 16 @ San Diego Padres 1.0 1 0 0 0 0 0 2.00 1.11 16 L 2-5
Apr 12 vs. Houston Astros 1.0 1 0 0 0 0 1 2.25 1.13 9 W 1-6
Apr 6 @ Texas Rangers 1.0 1 0 0 0 2 0 2.57 1.14 23 L 1-2
Apr 1 vs. New York Yankees 2.0 1 1 1 1 0 1 3.00 0.83 30 L 5-3
Mar 29 vs. Cleveland Guardians SV 3.0 2 0 0 0 0 5 2.25 1.00 44 W 0-8
Mar 26 vs. Cleveland Guardians 1.0 1 1 1 1 1 1 9.00 2.00 17 L 6-4
Total4-240.2411815316313.321.40642

AVG, OBP, SLG, ERA and WHIP are season-to-date through each game, not that game alone — so the column reads as a trend and its last value is the season figure. They stay season-to-date when the log is filtered by opponent; the figure for the filtered games is the one in the Total row. The second game of a doubleheader is marked (2).

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