Even before he emerged from the bullpen Friday, the Pittsburgh Pirates ’ Bubba Chandler was considered the top pitching prospect in baseball.

And the hard-throwing 22-year-old confirmed those credentials in his major league debut, becoming the first pitcher to throw four scoreless innings and record a save in his debut since saves became an officially recognized statistic in 1969, according to AP.

He allowed just two hits and struck out three in those four innings, needing 40 pitches to get the 12 outs and clinch a 9-0 win for the Pirates against the Colorado Rockies.

Although he gave up a double to the first batter he faced , Orlando Arcia, he rallied and struck out Ryan Ritter and Mickey Moniak, while Tyler Freeman ground out, stranding Arcia.

Chandler’s decisive pitches to R

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