#4 Cesaro
Interestingly enough, Cesaro was reportedly supposed to beat CM Punk the night he walked out of Raw to qualify for the WWE World Heavyweight Championship Elimination Chamber match. Before that point, the two had never gone one-on-one in WWE, and due to Punk leaving, they never would.
It's quite a shame because Cesaro didn't start to catch fire as a singles star until right after Punk's departure, eventually winning the inaugural Andre the Giant Memorial Battle Royal and becoming a certified “Paul Heyman Guy.” Granted, his push fizzled out a short time later, but he has remained an upper-midcard competitor ever since.
The one thing that has kept Cesaro from the main event scene has been the lack of a breakout rivalry with a top-tier talent, and Punk could help elevate Cesaro to that next level. Not to mention that these two would undoubtedly be capable of delivering an incredible match.
