It's been clear since the emergence of Mets hitting guru "Donnie Stevenson" that Stevenson didn't actually exist. And the mystery has now been solved.

"Stevenson," whose presence was first mentioned during the Mets' series against the Phillies in Philadelphia earlier this month, is actually first baseman Pete Alonso, per Ken Rosenthal of The Athletic.

Writes Rosenthal of the events that transpired before the Mets' game against the Phillies and Zack Wheeler on May 1: