Padres' Mason Miller Posts Remarkable Immaculate Inning Using Just One Pitch

Karl Rasmussen | Sep 3, 2025

San Diego Padres relief pitcher Mason Miller threw an immaculate inning against the Orioles. / David Frerker-Imagn Images

San Diego Padres reliever Mason Miller achieved one of the rarest feats in baseball on Wednesday, as the flamethrowing 27-year-old recorded the 119th immaculate inning in league history.

Even more impressive, Miller did it all using the same pitch; his devastating slider, and didn't have a single Orioles hitter make contact, even a foul ball, with any of his nine sliders in the inning.

Miller benefitted from a called strike on the very first pitch of the inning, and he followed up by throwing eight devastating sliders in a row, attacking various parts of the plate.

IMMACULATE INNING for Mason Miller 🔥 pic.twitter.com/VpFFh314Mt

— MLB (@MLB) September 3, 2025

There have been more than twice as many no-hitters as immaculate innings in MLB history, some evidence as to just how rare the feat is. Even more rare is an immaculate inning in which every pitch is a slider and there wasn't a single foul ball, making Miller's accomplishment even more impressive.

Miller has been fantastic since joining the Padres at the trade deadline in a deal with the Athletics. He's logged a 1.64 ERA with 19 strikeouts and five walks in 11 innings.

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