The Los Angeles Dodgers didn't make a big move at the trade deadline, but they've got reinforcements coming: Dustin May, their top pitching prospect, will make his major league debut Friday against the San Diego Padres, sources told ESPN's Jeff Passan.

May, 21, is 3-0 with a 2.30 ERA in five starts with Triple-A Oklahoma City this season. The right-hander has 24 strikeouts and nine walks in 27⅓ innings.