Boston Red Sox closer Aroldis Chapman has the most strikeouts by a reliever in MLB history.
Chapman struck out Denzer Guzman swinging for his 1,364th career strikeout in the ninth inning of Friday's 5-2 win over the Los Angeles Angels.
Aroldis Chapman records career strikeout No. 1,364!
— MLB (@MLB) July 4, 2026
He has set a new all-time record for strikeouts by a relief pitcher 👏 pic.twitter.com/tdzaYmdGKJ
The eight-time All-Star came into the game tied with Hoyt Wilhelm for the all-time record.
| Rank | Reliever | Strikeouts |
|---|---|---|
| 1 | Aroldis Chapman | 1364 |
| 2 | Hoyt Wilhelm | 1363 |
| 3 | Rich Gossage | 1340 |
| 4 | Craig Kimbrel | 1304 |
| 5 | Kenley Jansen | 1301 |
Chapman owns a 2.10 ERA with 17 saves in his 17th season. The 38-year-old left-hander also sits 10th in MLB history with 384 saves.
