Days after sustaining a knee injury on Raw, Big Cass undergoes surgery to repair the damage. View detailed photos of Cass' procedure and rehabilitation.

Big Cass underwent successful surgery to repair an ACL tear in his left knee, sustained during the Brooklyn Street Fight against Enzo Amore on Raw.

The surgery was performed by Dr. Jeffrey Dugas Thursday night, and Cass has already begun rehabilitation.

Stay with WWE.com as more details on Cass’ condition become available.