From MLB.com:
Minor setback: Rondell White played just one inning for Class A Fort Myers on Tuesday night before leaving the game with discomfort in his right calf muscle.
It's the same calf muscle that White tore at the start of the season. He was playing for the Miracle as part of a rehab assignment. The discomfort came when White slid into second base trying to break up a double play.
Twins manager Ron Gardenhire said that White was removed as a precautionary measure. Fort Myers had a day off Wednesday, and it's expected that White will play on Thursday.