PWInsider reports multiple men attacked World Champion Alberto Del Rio causing him to have two black eyes and multiple bruises heading into his match at Summerslam. The incident happened at an Irish pub near WWE's hotel. Del Rio reportedly got into a verbal argument with someone and that person hit Del Rio with his friends jumping in. This led to Drew McIntyre stepping in to help Del Rio.
The incident happened Saturday night. When Del Rio returned to WWE's hotel early Sunday morning, he was sporting two black eyes and trying to hide his face from everyone in the lobby. Drew ended up with two knots on the side of his head. Source - PWInsider