#2 Beating John Cena clean at SummerSlam and becoming the 'Face That Runs The Place'

One of AJ Styles' greatest victories came at SummerSlam 2016 where he outshined John Cena in every department and defeated him clean in front of a hot crowd.
Despite coming from TNA, the Phenomenal One was instantly pushed to the top of the mountain in the WWE and was determined to make a statement by taking out John Cena.
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Moreover, after pinning him cleanly, the Phenomenal One took the 'Never Give Up' band that the former WWE Champion left in the ring; ensuring that he has taken over as the real face of the company.
While that might be Cena's greatest feud in recent memory, Styles' definitely catapulted his position as a top-tier performer and went on to become a significant component of SmackDown Live.
In what was a pretty special encounter, the Phenomenal One certainly proved his worth and came out on top by defeating a man who has been ruling the company for almost a decade.