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105.5 MPH! Pitcher's Record-Breaking Fastball
27 Jun
Summary
- Jacob Misiorowski threw a career-best 105.5 mph pitch.
- This pitch broke his own record for fastest starter pitch.
- The fastball was one of the top three fastest ever tracked.
On June 26, 2026, pitcher Jacob Misiorowski etched his name in baseball history by unleashing a 105.5 mph fastball, the fastest pitch ever thrown by a starting pitcher. This career-best velocity shattered his own previous record of 104.5 mph. The electrifying pitch occurred on the third throw of the game against the Chicago Cubs.
This phenomenal delivery places Misiorowski among the elite, tying for the third-fastest pitch ever tracked. Only Aroldis Chapman has recorded faster pitches. Remarkably, the batter fouled off the blazing fastball, though he later struck out. Misiorowski continued to dominate, throwing 12 fastballs all above 102 mph in a single 1-2-3 inning.
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