Toronto Blue Jays pitcher Trey Yesavage (39) throwing a pitch. Kirby Lee-Imagn Images

TORONTO — The legend of Trey Yesavage grows with each unhittable splitter.

At 22, with only two weeks of regular-season baseball on his ultra-thin résumé, Yesavage dominated the Aaron Judge Yankees and Shohei Ohtani Dodgers in October. The Blue Jays right-hander represents the most surprising reason the upstart, underdog Jays are within a game of a World Championship .

Jays veteran starters are nearly as startled as the rest of us.

“Amazing,” says Jeff Hoffman.

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