#2 Face turn: Randy Orton

It's a long known thing that Randy Orton is a more compelling heel than a face. Throughout his career, he has spent most of his time playing the cold-hearted viper, the legend killer, showing no mercy in the slow, brutal, and painful decimation of his rivals.
Orton's a classic old-school heel, performing with in-ring psychology and a move-set that's unique to the Viper. Yet, Orton has also got the skill of amping up the crowd whenever he wants. He has unique charisma, a finisher that never gets stale, and a career that has made him impossible to hate.
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However, it's not why he will need to turn heel. The reason is Lars Sullivan. The Freak has made it a habit of attacking veterans. And his hunt should lead him to the legendary legend-killer himself. Not only will it give SmackDown a great rivalry, but will also establish Sullivan on the main roster.
The scenario is only possible with a Randy Orton face turn. It may not happen immediately, with a possible Reigns-Orton feud, but it'll happen within the next few months.