The Indians have announced that Civale was diagnosed with a finger sprain.
Civale will be shut down from throwing for one to two weeks. He is expected to miss between four and five weeks of game activity.
Civale is fourth in the Major Leagues with 97 2/3 innings pitched. He has posted a 3.32 ERA and is also tied for the MLB lead with ten victories.
The Indians open up a four-game series in Minnesota on Thursday.