Pirates recalled RHP Bryan Morris from Triple-A Indianapolis.
Wei-Yin Chen tossed eight dominant innings in a win against the Rangers on Wednesday, allowing only two runs.
Buster Posey left Wednesday's game after taking a foul ball off his mask.
Bill Burns finished 2-for-4 with a double, triple and two runs scored as the Athletics topped the Rockies 4-1 on Wednesday.
Sonny Gray (illness) was released from the hospital Wednesday.
Taijuan Walker yielded just one hit over six scoreless frames Wednesday in the Mariners' 7-0 blanking of the Padres.
Joc Pederson is not in the Dodgers' lineup Wednesday against the Diamondbacks.
Adrian Gonzalez is not in the Dodgers' lineup Wednesday against the Diamondbacks.
Orioles designated OF Delmon Young for assignment.
Diamondbacks manager Chip Hale said Patrick Corbin (elbow) could make his season debut Saturday against the Rockies.
MLB.com's Rhett Bollinger reports that the Twins are calling up prospect Miguel Sano.
Jaime Garcia (groin) won't make his next scheduled start Thursday against the Padres.