Fastest pitches in World Series history: Jacob Misiorowski breaks record on first pitch of Game 1 originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here.
The Brewers are a spectacle of their own after returning to the World Series for the first time in 44 years, but the player that made fans tune into Friday’s Game 1 was Jacob Misiorowski.
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The projected NL Cy Young Award winner was lethal in his first full season, posting a 1.80 ERA across 30 starts and blowing an otherworldly fastball by hitters from March to October.
To no surprise, the list of the fastest pitches thrown in 2026 was littered with Misiorowski’s name. The young ace averaged 100.6 MPH on his four-seam fastball and threw more than a dozen pitches of 104 MPH or faster during the regular season.
On Friday, Misiorowski etched his name in World Series history. Here’s what you need to know.
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Misiorowski threw a 103.5 MPH pitch for his very first pitch Friday’s Game 1 to Tampa Bay’s Yandy Diaz, breaking a record previously held by Aroldis Chapman.
