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JACOB MISIOROWSKI 2026 Topps Series 1 #10 GOLD Rookie #/2026 Brewers RC Jacob Walter Misiorowski (/mɪzəˈraʊski/ miz-ə-ROW-skee;[1] born April 3, 2002), nicknamed "the Miz", is an American professional baseball pitcher for the Milwaukee Brewers of Major League Baseball (MLB). He made his MLB debut in 2025 and his first MLB All-Star appearance the same year. In 2026, he set the record for the fastest pitch thrown by a starting pitcher since tracking began in 2008.[2]. MLB debut June 12, 2025, for the Milwaukee Brewers MLB statistics (through July 7, 2026) Win–loss record 15–7 Earned run average 2.64 Strikeouts 254 Stats at Baseball Reference Edit this at Wikidata Teams Milwaukee Brewers (2025–present) Career highlights and awards 2× All-Star (2025, 2026) MLB records Fastest pitch by a starting pitcher in MLB history – 105.5 miles per hour (169.8 km/h) Most 100+ mph pitches in a single game — 57 against the St. Louis Cardinals on May 25, 2026