2025 Stats
W-L
0-0
ERA
10.38
WHIP
2.54
K
0
SV
1
Rest-of-Season Projections
2025 Fantasy Outlook
Criswell did a little bit of everything for the Boston pitching staff in 2024. He worked out of the pen as well as in the rotation as injuries impacted the rotation. Peak Criswell was him throwing seven shutout innings at Coors Field near the end of July, which was one of the five starts in which he earned a win out of his 18 starts. The flip side was his effort against Baltimore, as he faced them twice and allowed 13 earned runs in 7.1 innings of work, which did a number on his overall ratios. Criswell has enough stuff to succeed at the big-league level but not enough stuff to be a set-it-and-forget-it type pitcher for fantasy managers. The righty had his issues against fellow righties last season (.283/.335/.476), but his cutter/changeup approach to lefties helped him hold that group to a .263/.332/.366 line on the season. Criswell is currently slated to compete for a final spot in the Boston rotation, but could go to the bullpen or to Triple-A to begin the season as well. His ceiling is a streaming option, particularly against lefty-heavy lineups. Read Past Outlooks
Sent down to Triple-A
The Red Sox optioned Criswell to Triple-A Worcester on Monday, Jen McCaffrey of The Athletic reports.
ANALYSIS
Criswell was needed for three innings in the second game of Sunday's doubleheader versus the Cardinals, allowing five runs (three earned) while being credited with a save. The Red Sox are replacing him with a fresh arm in calling up Robert Stock.
Criswell was needed for three innings in the second game of Sunday's doubleheader versus the Cardinals, allowing five runs (three earned) while being credited with a save. The Red Sox are replacing him with a fresh arm in calling up Robert Stock.
Pitching Stats
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2025
2024
2023
2022
2021
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
32
Last 10 Games
32
Last 5 Games
32
How many pitches does Cooper Criswell generally throw?
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
101-110
111-120
121+
What part of the game does Cooper Criswell generally pitch?
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
-2%
BAA vs LHP
2025
-28%
BAA vs LHP
| BAA | K | BB | H | HR | |
|---|---|---|---|---|---|
| Since 2023vs Left | .281 | 45 | 27 | 70 | 5 |
| Since 2023vs Right | .288 | 55 | 16 | 83 | 12 |
| 2025vs Left | .333 | 0 | 1 | 4 | 0 |
| 2025vs Right | .462 | 0 | 0 | 6 | 1 |
| 2024vs Left | .263 | 39 | 18 | 49 | 2 |
| 2024vs Right | .283 | 34 | 13 | 54 | 8 |
| 2023vs Left | .333 | 6 | 8 | 17 | 3 |
| 2023vs Right | .274 | 21 | 3 | 23 | 3 |
Home/Away Pitching Splits
Since 2023
-6%
ERA at Home
2025
-100%
ERA on Road
| ERA | WHIP | IP | K/9 | BB/9 | |
|---|---|---|---|---|---|
| Since 2023Home | 4.54 | 1.49 | 69.1 | 6.2 | 3.4 |
| Since 2023Away | 4.81 | 1.38 | 67.1 | 7.0 | 2.3 |
| 2025Home | 13.50 | 2.70 | 3.1 | 0.0 | 2.7 |
| 2025Away | 0.00 | 2.00 | 1.0 | 0.0 | 0.0 |
| 2024Home | 4.10 | 1.37 | 48.1 | 6.3 | 3.2 |
| 2024Away | 4.06 | 1.33 | 51.0 | 6.9 | 2.5 |
| 2023Home | 4.08 | 1.58 | 17.2 | 7.1 | 4.1 |
| 2023Away | 7.63 | 1.50 | 15.1 | 7.6 | 1.8 |
Minor League Left/Right Pitching Splits (AAA)
Since 2023
-18%
BAA vs RHP
2025
-68%
BAA vs RHP
| BAA | K | BB | H | HR | |
|---|---|---|---|---|---|
| Since 2023vs Left | .271 | 49 | 19 | 59 | 7 |
| Since 2023vs Right | .221 | 70 | 15 | 56 | 2 |
| 2025vs Left | .222 | 9 | 1 | 6 | 1 |
| 2025vs Right | .071 | 7 | 2 | 1 | 0 |
| 2024vs Left | .250 | 9 | 8 | 11 | 0 |
| 2024vs Right | .196 | 14 | 0 | 10 | 0 |
| 2023vs Left | .286 | 31 | 10 | 42 | 6 |
| 2023vs Right | .239 | 49 | 13 | 45 | 2 |
Stat Review
How does Cooper Criswell compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
0.00K/9
0.0BB/9
2.1HR/9
2.1Fastball
89.4 mphERA
10.38WHIP
2.54BABIP
.424GB/FB
1.63Left On Base
31.3%Exit Velocity
82.1 mphBarrels/BBE
2.9%Spin Rate
2047 rpmBalls Hit 95+ MPH
29.4%Swinging Strike
1.0%Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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2024 Fantasy Outlook
Criswell spent the year in the Rays organization, mostly toiling for Triple-A Durham, but he also compiled 33 frames in 10 appearances with the big club serving as a multi-inning reliever. Criswell started in 17 of his 23 appearances with the Bulls, fanning 80 with 23 walks in 84.2 innings for a 15.4 percent K-BB%. He was unable to match that with the Rays as he recorded a 10.6 percent K-BB%, along with surrendering six homers in those 33 innings. Small sample caveats apply, but Criswell incurred some misfortune with a .330 BABIP, 68.7 percent left on base mark and a 19.4 percent home run per fly ball. The result was a 5.73 ERA, deemed over a run too high by its estimators. When Tampa Bay gives up on a pitcher, there is usually a reason, but that did not dissuade the Red Sox from signing Criswell, ostensibly for bullpen depth. It's hard to envision Criswell entering the fantasy mix.
More Fantasy News
Earns save Sunday
Criswell allowed five runs (three earned) on four hits and a walk over three innings during a win in Game 2 of Sunday's doubleheader against St. Louis. He earned a save but did not strike out a batter.
ANALYSIS
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Sent to minors
The Red Sox optioned Criswell to Triple-A Worcester on Saturday, Jen McCaffrey of The Athletic reports.
ANALYSIS
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Strong showing in no-decision
Criswell did not factor into the decision Thursday against the Yankees. He gave up one run on four hits and three walks while striking out four across 5.1 innings.
ANALYSIS
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Secures sixth win
Criswell (6-4) allowed two runs on six hits and two walks while failing to record a strikeout over five innings, earning the win Saturday over the White Sox.
ANALYSIS
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Pulled after four perfect frames
Criswell did not factor into the decision Sunday, tossing four perfect innings while striking out five against the Tigers.
ANALYSIS
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Latest Fantasy Rumors
Chance to join rotation?
The Red Sox placed Nick Pivetta on the injured list with a flexor strain Tuesday, which could open up a rotation spot for Criswell.
ANALYSIS
Criswell last pitched for Triple-A Worcester on Sunday and won't be an option to start in place of Pivetta on Wednesday, but he's otherwise a logical candidate to step into the rotation after posting a 2.95 ERA while competing for a spot during spring training. Criswell is also off to a strong start at Worcester this season with just one run allowed and a 9:3 K:BB over 10.1 innings through two outings. The Red Sox could also move up the rest of their rotation, in which case they would need another starter Saturday, per Ian Browne of MLB.com.
Criswell last pitched for Triple-A Worcester on Sunday and won't be an option to start in place of Pivetta on Wednesday, but he's otherwise a logical candidate to step into the rotation after posting a 2.95 ERA while competing for a spot during spring training. Criswell is also off to a strong start at Worcester this season with just one run allowed and a 9:3 K:BB over 10.1 innings through two outings. The Red Sox could also move up the rest of their rotation, in which case they would need another starter Saturday, per Ian Browne of MLB.com.