Chicago White Sox shortstop Tim Anderson left with a strained right groin in the fifth inning of Sunday's game against the visiting Chicago Cubs.
The team said he will undergo further evaluation Monday.
He was 1-for-2 with a stolen base before leaving, raising his batting average to .356.
Anderson, 28, has five home runs, 19 RBIs and eight stolen bases in 40 games this season.
He won the American League batting title