#4. Dean Ambrose
At Hell in a Cell, Randy Orton proved that he can go hardcore if the situation demands. And who is currently the most hardcore member of the WWE roster? Dean Ambrose. The Apex Predator and the Lunatic Fringe have faced each other in various singles bouts over the years. However, that was in the past. Now, both of them boast new gimmicks.
These two can culminate their feud in a brutal match with an Extreme Rules match. The payoff would be worth the time invested.
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#3. Seth Rollins
Randy Orton and Seth Rollins had an excellent feud leading into Wrestlemania 31. Their Wrestlemania match was the best singles match of that night and culminated with an outstanding RKO out of nowhere.
During that feud, Rollins was the heel and Orton was the face. Now, since both of them have reversed their roles, it is time for them to rekindle their old feud. Seth Rollins is the biggest babyface on RAW and Randy Orton is a despicable heel. Randy Orton could trade shows to attack Rollins and get his hands on the Intercontinental title after 14 long years.