Jacob Misiorowski’s MLB debut was one that he’ll never forget. After being called up just a day prior, the Milwaukee Brewers’ No. 4 prospect wasn’t messing around. He’s been hitting 100+ in the minor leagues all year, but the 23-year-old’s MLB debut was cut short after five no-hit innings. There’s no telling as to how long manager Pat Murphy would’ve left him on the mound, but he would have at least liked to go out on his own terms.
Jacob Misiorowski Comments on Milwaukee Brewers Removing Him Due to Potential Ankle Injury
After a dominant five-inning start, Misiorowski was pulled after he rolled his ankle on the mound. “Miz,” as the Brewers have already started calling him, bounced around after a pitch and rolled his ankle. With Milwaukee pitching coach Chris Hook and the team’s trainer coming out to the mound, it was no surprise that Miz was pulled from his first career start.
MUST SEE: Jacob Misiorowski’s first three pitches to start his Major League career:
100 MPH 🔥
102 MPH 🔥
101 MPH 🔥 pic.twitter.com/gObMMacPDT— MLB (@MLB) June 12, 2025
“Of course I don’t want to leave like that” Misiorowski said. “I felt like I could have kept going. I cramped up, and stuff happens. I saw the picture and it looks bad, but it feels good, it feels great.”
Brewers fans let out a sigh of relief after the 23-year-old confirmed that he felt great and was removed as a precautionary measure. Miz continued, “I’ve been playing this day out in my head forever. I thought I was going to give up a few hits, get your welcome to The Show. But I kind of rolled with it, and now we’re here.”
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Shockingly, he didn’t give up a single hit in five innings of work. While he did walk four batters, walks have also been an issue for him at the minor-league level. He struck out five batters in 81 pitches, with 49 landing for strikes. Hook and the team can work on Misiorowski’s command, as sometimes he prioritizes stuff over precision.
After his start, Misiorowski finds himself in all sorts of history. He threw 14 pitches of 100+ mph, the fourth most by a starter in an MLB debut during the pitch-tracking era. Reaching 101.8 mph on his second pitch, he recorded the fastest thrown ball by a Brewers starter in the pitch-tracking era.
Misiorowski joins Freddy Peralta as Brewers to throw at least five innings of no-hit ball in an MLB debut. Peralta did it on Mother’s Day in 2018, going 5.2 innings compared to Miz’s 5.0. Dating back to 1901, only eight other pitchers threw at least five no-hit innings in their MLB debut.