Sports · Baseball · 1 hr ago
Jacob Misiorowski sets World Series pitch-speed record at 103.5 mph
Milwaukee Brewers pitcher Jacob Misiorowski set a World Series record with a 103.5 mph fastball on Friday night.
He threw it to Tampa Bay Rays hitter Yandy Díaz as the first pitch of this year’s Fall Classic.
The pitch topped the previous record of 103.2 mph, set by Aroldis Chapman in 2016.
Misiorowski is a 24-year-old right-hander known for his exceptional pitching speed since his major league debut in June 2025.
His fastball was also the fastest ever recorded in a World Series by a starting pitcher since tracking began in 2008.
He threw 1,115 pitches at 100 mph or faster this year, more than any pitcher in the previous record.
He allowed two hits in the first inning but left both runners stranded.
Jacob Misiorowski set a World Series record with a 103.5 mph fastball on his first pitch in Game 1.
The Milwaukee Brewers right-hander threw the pitch to Tampa Bay Rays batter Yandy Diaz on Friday night in Milwaukee.
MLB’s Statcast system measured the pitch at 103.5 mph, while stadium video boards showed 103.4 mph.
The previous World Series record was 103.2 mph, set by Aroldis Chapman in 2016.
Misiorowski threw 11 fastballs among his first 13 pitches and kept the first inning scoreless.
- Who
- Jacob Misiorowski, a Milwaukee Brewers right-handed pitcher, set the record.
- What
- He threw a 103.5 mph fastball, the fastest pitch recorded in a World Series.
- When
- Friday night, Oct. 23, 2026, during Game 1.
- Where
- Milwaukee, in the World Series game between the Brewers and the Tampa Bay Rays.
- Why
- Not stated.
This story does not have two clearly opposing sides.
Aroldis Chapman threw a 105.8 mph pitch, the regular-season record cited in the articles.
Noah Syndergaard threw a 101.1 mph pitch, the previous high by a World Series starting pitcher since tracking began in 2008.
Aroldis Chapman set the World Series pitch-speed record at 103.2 mph.
Misiorowski threw a 104.8 mph pitch in the NLDS opener, setting the postseason pitch-speed record.
Misiorowski opened Game 1 of the World Series with a 103.5 mph pitch, setting a new World Series record.
- Record pitch
- 103.5 mph
- Pitcher
- Jacob Misiorowski, Milwaukee Brewers
- Batter
- Yandy Diaz, Tampa Bay Rays
- Game
- World Series Game 1, Oct. 23, 2026
- Previous World Series record
- 103.2 mph, by Aroldis Chapman in 2016
4 sources
How did Miz do in World Series? Final stats, velocity from Game 1 outing
Brewers' Jacob Misiorowski sets World Series velocity record on his first pitch
Brewers Ace Jacob Misiorowski Breaks World Series Record For Fastest Pitch
Brewers' Misiorowski unleashes 103.5 mph pitch to set World Series record