Houston left fielder Aledmys Díaz left Tuesday's game against the White Sox because of discomfort in his left groin.
Cardinals shortstop Jhonny Peralta cut his right thumb while opening a box Saturday and will be delayed in his return from an injury to his other thumb.
Rookie Aledmys Diaz hit a tiebreaking, pinch-hit home run in the eighth inning, the second of a major-league-record three pinch-hit homers by the Cardinals, who rallied to beat the Braves 7-4.
Cardinals shortstop Jhonny Peralta will be out until June at the earliest after having surgery to repair a torn ligament in his left thumb.
A left thumb injury could sideline Cardinals shortstop Jhonny Peralta for 2-3 months, GM John Mozeliak told reporters Monday.
