Between August 7, 2025 and October 5, 2025, Garrett Crochet has the highest K/9 by a Red Sox starting pitcher when starting 7+ games, with 11.37 per nine innings.
| NAME | K/9 | GS | G | W | L | W% | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | G. Crochet | 11.37 | 9 | 9 | 5 | 1 | .833 | 3.47 | 72 | 0 | 0 | 0 | 57.0 | 45 | 22 | 22 | 12 | 7 | 3 | 0 | 0 | 223 | 2 | 1.11 | 10.29 | 1.89 | 32.3 | 3.1 | 0.91 | .256 | 3.47 | 7.11 |
| 2 |  | L. Giolito | 7.30 | 9 | 9 | 2 | 2 | .500 | 3.10 | 40 | 0 | 0 | 0 | 49.1 | 44 | 17 | 20 | 3 | 29 | 0 | 0 | 0 | 221 | 2 | 5.29 | 1.38 | 0.55 | 18.1 | 13.1 | 1.48 | .275 | 3.65 | 8.03 |
| 3 | | B. Bello | 6.39 | 9 | 9 | 3 | 4 | .429 | 4.09 | 36 | 0 | 0 | 0 | 50.2 | 41 | 23 | 26 | 4 | 17 | 5 | 0 | 0 | 211 | 3 | 3.02 | 2.12 | 0.71 | 17.1 | 8.1 | 1.14 | .248 | 4.62 | 7.28 |
StatMuse has game-level data for K/9 and starts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
More Red Sox Stats
Team Rankings
HR
186
15th
R
786
7th
SO
1,361
16th
ERA
3.70
5th
Yankees 
Blue Jays 
Red Sox 
Rays 
Orioles 
Phillies 
Mets 
Brewers 
Cubs 
Dodgers 
Padres 
Guardians 
Tigers 
Mariners 
Astros 
ATL 
WSH 
CWS 
MIN 
CIN 
STL 
