The big outside bet is Brock Lesnar getting involved. It would be a hell of a surprise, popping the crowd and costing Rollins the match. It would answer back what Rollins did to Brock at Mania and it would also firmly stamp the SummerSlam match. But you have to question if WWE would use one of Brock's appearances in an unadvertised manner. It would create a ton of buzz, but would it make sense? Well, they did it with Sting at Survivor Series. That was a massive talking point the day after that show. So there could be some logic in using Brock in an unadvertised role at Payback. Just imagine the music hitting, then Seth getting taken out of the match by a flurry of suplexes and F5's. It would be one of the loudest crowd moments of this year. Social media would light up. The show is called Payback and nobody wants "Payback" more than Brock.
