Overshadowing all of the in-ring action was what appeared to be a serious-looking knee injury to Seth Rollins, one of the most important and talented performers on WWE's roster.

Bill Goldberg waved goodbye to professional wrestling, but he might not be the only absent superstar after WWE Saturday Night's Main Event. Seth Rollins seemingly suffered a knee injury during his match with LA Knight, bringing an abrupt end to their match.

From the State Farm Arena in Atlanta, Georgia, the latest Saturday Night's Main Event delivered the final chapter of Goldberg's wrestling career and a series of personal rivalry matches.