Adam Rubin of ESPNNewYork.com reports that Bobby Parnell will undergo neck surgery on Tuesday in California.
Kris Bryant is being evaluated after he rolled his right ankle while running the bases in the third inning.
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.
Huston Street has been diagnosed with an oblique strain and is headed for the disabled list.
Aledmys Diaz had a homer, a walk, and a single in the Cardinals' 11-4 rout of Arizona on Wednesday.
Adam Wainwright notched his first win of the season on Wednesday night against the Diamondbacks.