#2 - Dirty Deeds
Dean Ambrose has been a character who many fans have desired to see on top of the card. Many fans also argue that Ambrose just doesn't have the "It" factor to be the face of the company.
In 2016 leading up to WrestleMania 32, there was a lot of hope that WWE had decided to give the ball to Ambrose instead of Roman Reigns after the Fastlane program between Ambrose, Reigns and Brock Lesnar was mainly centred around The Lunatic Fringe himself.
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Unfortunately, WWE dropped the ball and did Ambrose no favours in his match against Brock Lesnar at WrestleMania 32. It took time for him to recover but Ambrose did go on to become WWE Champion and later on had a run as Intercontinental Champion as well.
The interesting thing, if you observe closely enough is that WWE is well aware of fans' response to Ambrose. Despite criticism, he's been one of the most pushed and protected stars of the entire company since his split from The Shield and this is proven by his finisher: Dirty Deeds.
The last time anyone kicked out of The Dirty Deeds was John Cena on an episode of SmackDown Live in 2016 (Ambrose still defeated Cena clean). However, the fact of the matter is, since 2012, only three people have ever kicked out off the Dirty Deeds: John Cena, Brock Lesnar and Roman Reigns.
What seems clear is that Ambrose has always been kept in that #2 position very safe and sound. If something were to ever happen to Roman Reigns, we know very well who WWE will give the ball to.