No. 3 - Luke Harper and Erick Rowan
Last we saw, Luke Harper and Erick Rowan were not on the same page. They had just come out of a messy breakup of the Wyatt Family and were beginning what has become a pair of obviously unsuccessful singles careers. But now that they've been off TV a while and have no direction whatsoever, maybe a reunion is in their best interest.
So what place would they have at SummerSlam? Sure, they could make their presence known after the tag title match. But their more likely place right now would be in the Fashion Police storyline. After the latest edition of Fashion Peaks, all we know is that Arn Anderson killed Tully the horse and Fandango either was, or believes he was abducted by aliens.
But who really took out Fandango? Could it be the team of Harper and Rowan? After all, they have a mean streak and could use something to do. Assuming there actually is an end game to this whole Breezango situation and they're not just making it up on the fly, this could be it. It could be a perfect way to reintroduce the two big men to the fans.