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Brewers’ Jacob Misiorowski Sets MLB Record with Fastest Pitch by a Starting Pitcher
In a groundbreaking achievement during a recent game, Jacob Misiorowski of the Milwaukee Brewers registered a remarkable fastball clocked at 104.5 miles per hour. This extraordinary pitch, delivered in the first inning of the contest against the Philadelphia Phillies, marks the fastest pitch ever recorded by a starting pitcher in Major League Baseball (MLB) history.
At just 24 years old, Misiorowski has quickly garnered attention as he struck out Kyle Schwarber, the reigning 2025 National League home run champion, with his impressive pitching technique. Leveraging a skillful placement, Misiorowski’s fastball proved too much for the seasoned hitter.
Throughout his first four innings in the game, Misiorowski dominated the plate, amassing nine strikeouts against just 12 batters faced, achieving this feat with an economical total of 42 pitches, 34 of which were strikes. Additionally, he managed to retire another formidable opponent, Bryce Harper, a future Hall of Famer, in just three pitches, including a staggering 104 mph fastball that left the crowd in awe.
This standout performance places Misiorowski well on his way to potentially earning his first Cy Young Award this season. He currently leads all major league pitchers with an astonishing 1.50 earned run average and has racked up 116 strikeouts across 13 starts, further solidifying his status as a rising star in the league.
Moreover, Misiorowski leads the league in WHIP (Walks plus Hits per Inning Pitched) at an impressive 0.808, while allowing just 41 hits and 22 walks across 78 innings this season. This dramatic improvement from his rookie season, where he finished with a 4.36 ERA and a 1.242 WHIP, highlights his significant development as a pitcher.
The Milwaukee Brewers, buoyed by Misiorowski’s stellar performance, currently sit atop the National League Central division with a strong record of 41 wins and 25 losses, which is also the third-best in the entire MLB. They are set to conclude their three-game series against the Philadelphia Phillies on June 14th, continuing their pursuit of postseason success.
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