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White Sox SS Colson Montgomery sets single-season strikeout record

By Thomson Reuters Sep 25, 2026 | 10:12 PM

By Field Level Media

Sep 26 (Field Level Media) – Chicago White Sox shortstop Colson Montgomery established a major league record ​Friday night when he struck ‌out for the 224th time this season.

Montgomery broke the previous single-season mark of 223 set by Mark Reynolds with the Arizona Diamondbacks in 2009.

The ‌record ​came during the fifth inning ⁠against Colorado Rockies ⁠right-hander Tomoyuki Sugano. Montgomery worked the count full before watching a 93.3 mph fastball cross the middle of the plate ​for strike three.

The 24-year-old had matched Reynolds’ record Thursday during Chicago’s 9-1 victory ⁠over the Kansas City ⁠Royals, a win that also ​secured the White Sox’s first postseason berth since ​2021.

Strikeouts have been the downside of an ‌otherwise productive power season for Montgomery.

After going 0-for-3 on Friday, he is batting .199 with 31 home runs and 87 RBIs ⁠over 151 games. He has a .285 on-base percentage and a .407 slugging percentage. His strikeout rate is ⁠35.4%, the ‌second-highest mark in the majors ⁠behind the 35.5% of teammate ​Munetaka ‌Murakami.

Reynolds similarly offset his record-setting strikeout ​total ⁠with substantial power in 2009, when he belted 44 home runs and drove in 102 runs for Arizona. Reynolds had a .260 batting average and a .349 on-base percentage that year.

(–Field ​Level Media)