The Cardinals also recalled rookie infielder/outfielder Juan Yepez from Triple-A Memphis on Friday. They also welcomed the return of reliever Ryan Helsley from a week on paternity leave, including a stint on the restricted list after he extended his absence because his child needed some extra tests.
Brendan Donovan started at third for Arenado in the Cardinals' series home opener against Atlanta.
Arenado is hitting .300 with 26 homers and 82 RBIs in 116 games.
The Associated Press contributed to this report.