#2. Sami Zayn could help Seth Rollins since he has unfinished business with Roman Reigns
Sami Zayn is another WWE Superstar who could team up with Seth Rollins in order to get even with Roman Reigns.
Whilst Zayn is currently in his own storyline with Shinsuke Nakamura and Rick Boogs heading into The Royal Rumble, he has unfinished business with Brock Lesnar and Reigns, since he was screwed out of his Universal Championship match.
Check out which wrestler EC3 finds cute RIGHT HERE
Lesnar was able to interfere in the match and made sure that Zayn lost, which then gave The Beast the match at WWE Day 1, even though it didn't take place.
It's also well documented that Zayn and Rollins are good friends outside of WWE, so the former world champion could cash in a favor and ask for Zayn's assistance.
Given Zayn's character on WWE TV at present, it's unlikely that he will want to help either Rollins or Reigns. Since he already has some history with the Universal Champion, he could be persuaded to help Rollins in exchange for a future title opportunity.