Nationals signed RHP Ross Ohlendorf to a minor league contract.
Jake Arrieta was no Johnny Vander Meer on Thursday, but he was victorious after holding the Brewers to one run over five innings.
Eduardo Rodriguez (knee) allowed three runs (two earned) on six hits and three walks over 3 2/3 innings Thursday in his first minor league rehab start with Triple-A Pawtucket.
Kris Bryant will undergo a precautionary MRI on his right ankle.
Angels placed RHP Huston Street on the 15-day disabled list, retroactive to April 24, with a left oblique strain.
White Sox placed RHP David Robertson on the bereavement list.
Thursday's game between the Pirates and Rockies has been postponed due to wet weather in Denver.
Miguel Montero underwent an MRI for his back.
Michael Taylor is out of the Nationals' starting lineup on Thursday afternoon against the Phillies.
Brewers transferred RHP Matt Garza from the 15-day disabled list to the 60-day disabled list.
Brewers placed 2B Scooter Gennett on the 15-day disabled list with a strained right oblique.
Carlos Gomez (wrist) expects to return to the Astros' starting lineup on Friday.