What happened: He surpassed the previous mark that Arizona's Mark Reynolds established in 2009.
Why it matters: Chicago defeated the Colorado Rockies 6-1. Montgomery had been closing in on the record.
What to watch: No recent data.
Colson Montgomery breaks single-season strikeout record
The White Sox player tallied his 224th of the season.
Box score
More on Colson Montgomery
- Schwarber, Montgomery close in on MLB single-season strikeout record
- Colson Montgomery adds another run in postseason game
- Montgomery dribbler, Hedges misplay leave Guardians down 3-0
- Colson Montgomery hits 432-foot homer, longest of postseason Day 1
- Montgomery, Vargas, Murakami join rare White Sox company
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