#4 Bobby Roode

Of course, every great face needs a great nemesis and the company has one of the industry's finest heels sat in their mid-card right now.
Roode is not exactly struggling as a babyface, he is currently heading into a WrestleMania match with former WWE champion Randy Orton, but he would fare so much better as a heel. His natural persona is being completely ignored at the moment, simply because he has a theme song that fans love.
How Brock Lesnar ruined another wrestler's career - Watch Now!
Everything about Roode, from his entrance to his general presence, screams heel, and the best runs of his career have come when he is playing the bad guy. A heel Roode ss a face Rusev is a great potential feud that the WWE seriously need to consider in the second half of 2018.