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4w ago

Misiorowski Hits 105.5 M.P.H., Fastest Pitch Ever Recorded by a Starter

Statcast recorded his 105.5 mph offering tying the third-fastest tracked mark, raising concern about whether such extreme starter velocity can be sustained.

Jun 26, 2026; Milwaukee, Wisconsin, USA; Milwaukee Brewers pitcher Jacob Misiorowski (32) delivers a pitch against the Chicago Cubs in the first inning at American Family Field. Mandatory Credit: Michael McLoone-Imagn Images
Last Night In Baseball: Jacob Misiorowski Shattered His Own Fastest Pitch Record
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Overview

  • Jacob Misiorowski delivered a 105.5 mph fastball in the first inning of Milwaukee’s win over the Chicago Cubs, a pitch that ties for the third-fastest tracked since 2008 and is the highest recorded by a starting pitcher.
  • The outing helped the Brewers to a 6-2 victory as Misiorowski worked six innings, allowed one run, struck out eight and improved his recent run to eight wins in nine decisions.
  • Statcast and team data show an unprecedented volume of triple-digit heaters in the game and season, including 55 pitches at 100+ mph in that start and more than 560 100+ mph pitches this year for Misiorowski.
  • Advanced metrics underline his dominance this season: he leads MLB with a 1.45 ERA, ranks among the leaders in strikeouts and FIP/SIERA estimates, and his fastball generates exceptionally high whiff rates.
  • Analysts and commentators applaud the historical significance given that the top recorded velocities have mostly come from relievers, but they also warn that repeatedly extreme velocity invites questions about long-term arm health and sustainability.