Jacob Misiorowski has emerged as the hardest-throwing starting pitcher in Major League Baseball this season. His average fastball velocity stands at 99.6 mph, well ahead of other starters. This performance comes as he prepares to face the Chicago Cubs on Tuesday at Wrigley Field.
Misiorowski has thrown 233 pitches at 100 mph or faster this year. All other starting pitchers combined have thrown 149 such pitches. He also accounts for 45 of the 102 mph or harder pitches recorded by starters in the pitch-tracking era since 2008, with most occurring in just six weeks of the current season.