And on Wednesday, he threw the hardest fastball ever recorded in an MLB postseason game. The pitch from the San Diego Padres' star reliever came in at 104.5 miles per hour. According to MLB Network's ...

Mason Miller's 104.5 mph fastball is the fastest pitch ever recorded in the playoffs since pitch tracking began in 2008.

One of the biggest moves of the 2025 MLB trade deadline was the San Diego Padres landing Mason Miller from the Athletics. Miller demonstrated why on Wednesday. On his ninth pitch against the Chicago ...

San Diego Padres flamethrower Mason Miller just redefined playoff heat. In Wednesday’s 3-0 win over the Chicago Cubs, the 25-year-old right-hander fired a 104.5 mph fastball past catcher Carson Kelly, ...

Mason Miller’s 104.5 mph four-seamer was not only the fastest of his career, it was the fastest postseason pitch by any player since the start of the pitch-tracking era in 2008.