DENVER (AP) — Milwaukee Brewers ace Jacob Misiorowski threw a 103.7 mph pitch Saturday night against the Colorado Rockies, the fastest by a starter since tracking began in 2008.

The 24-year-old right-hander’s record-setting pitch was low and outside to Kyle Karros in the third inning.

“It’s one of those things: It is what it is,” Misiorowski said. “I’m going to keep going, trying to get strikeouts, and if that’s what it takes to get strikeouts, then so be it.”

Misiorowski (7-2) has thrown the 12 fastest pitches by a starter. His previous high was 103.4 mph against St. Louis on May 25.

He threw 52 pitches 100 mph or faster Saturday night, including a record 45 of at least 101 mph. He allowed just an unearned run while striking out eight in seven innings, lowering his ERA to 1.50 in a 7-1 victory over the Rockies at Coors Field.

“Miz has got great extension and great velocity, so that doesn’t surprise me,” Brewers manager Pat Murphy said about the 103.7 mph fastball. “But we’ve got to get off that — the harder the better, and all that. He’s got to throw the ball in the zone and throw his other pitches in the zone. As I say often, good hitters can time up anything.”

Misiorowski threw a record 57 pitches 100 mph or faster in the May 25 game, including 40 of 101 mph or more.

The fastest pitch overall since tracking began was clocked at 105.8 mph by Cincinnati reliever Aroldis Chapman in September 2010 at San Diego, according to Statcast.

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