Kris Bryant left the Cubs' game at Cleveland on Tuesday because he was feeling under the weather, according to the team.
"He was having trouble breathing out there," Cubs manager David Ross said after the Cubs' 3-2 loss, "was dealing with some sinus stuff for a couple innings and wasn't getting better."
Asked if it was a situation where Bryant would have to go through extra health and safety protocols before returning, Ross said, "I don't think it's any of that."
Bryant, who started in center field, exited before the bottom of the sixth inning. Nick Martini replaced him in the lineup, playing in left field. Joc Pederson moved from left field to center.
Bryant hit a double in third inning before exiting, taking the MLB lead with 14 doubles this season.
The Cubs were already shorthanded in the outfield before the game, with both Ian Happ (bruised rib) and Jake Marisnick (right hamstring strain) on the injured list.