On Monday, an umpire in the Royals and White Sox game left the game and headed for the hospital due to symptoms of heat distress. He was evaluated on Monday night but did not stay the night.
It soundsl ike he's coming back for Wednesday's game:
Umpire Alfonso Marquez is expected back on the field Wednesday, two days after leaving a game with symptoms of heat distress. Marquez left Monday night's game in Kansas City between the White Sox and Royals in the bottom of the fifth inning with shortness of breath.