Manager Tony La Russa said Saturday that Giolito (abdomen) will "definitely" require a trip to the 10-day injured list due to a low abdominal strain, Vinnie Duber of NBC Sports Chicago reports.

EDGE Analysis

La Russa is optimistic that Giolito will be able to return after missing just two starts, and the right-hander said that he'll keep his arm moving while on the IL in hopes that he won't require much time to build up once he's healthy. Giolito said he felt as though he would have been able to toss two more innings in Friday's Opening Day start if he wouldn't have been forced to leave the game due to injury.