Jacob Misiorowski hits 104.5 mph, sets record in first inning
2 sources • 1 min read • Latest: Jun 13, 2026, 12:04 AM
Last updated Jun 13, 2026
On June 12, Jacob Misiorowski set a new record for the fastest pitch by a starting pitcher at 104.5 mph during the first inning against the Philadelphia Phillies. He had an impressive start to his outing, throwing 13 pitches, 10 of which clocked at 102 mph or faster, and recorded three strikeouts. Misiorowski began by facing Kyle Schwarber, followed by Trea Turner, and ended the inning overpowering Bryce Harper. This performance marks another milestone for Misiorowski, who had previously broken records for the most 100 mph pitches in a game and the most pitches exceeding 101 mph in an outing.
- •Misiorowski recorded three strikeouts in the first inning against Philadelphia.
- •He threw ten pitches at 102 mph or faster.
- •The previous fastest pitch by a starting pitcher was 104.3 mph.
- •This performance came two starts after a record for most 100 mph pitches.
- •Misiorowski faces Philadelphia's top lineup, including Schwarber and Harper.
- 12:04 AMYahoo Sports — 104.5!? Jacob Misiorowski sets velocity record in unbelievable first inning
"Jacob Misiorowski delivered arguably the most ridiculous inning by a starting pitcher ever in the first inning against Philadelphia
Sources
External linksOriginal reporting and copyright belong to the linked sources. SportsNewsReport.com aggregates and links — it does not republish full articles.
Related Stories
Last 14 days
BaseballMLB•Oct 22, 2026, 11:47 AMRasmussen or Miz? Caminero or Chourio? Ranking every player in the 2026 World Series
MLB•Oct 22, 2026, 11:47 AMWhich World Series Team Holds the Edge in Brewers, Rays?
MLB•Oct 22, 2026, 10:30 AMToday on Pinstripe Alley – 10/22/26
MLB•Oct 22, 2026, 10:30 AMPhillies Sign 24-Year-Old Breakout Closer Immediately After Season Ends
MLB•Oct 22, 2026, 10:02 AMRestaurants celebrate Brewers' World Series berth with specials, deals
MLB•Oct 22, 2026, 10:02 AMWorld Series pregame to feature Dancing Grannies, hundreds of locals