Giolito (abdomen) hit the injured list as expected Tuesday.
Giolito struck out six in four scoreless innings in his season debut Friday against the Tigers before exiting with an abdominal strain. The White Sox are optimistic that he'll miss no more than two starts, which puts his potential return date in late April. Jimmy Lambert was recalled to take Giolito's place on the roster and may also be tasked with stepping into his spot in the rotation.