#4 Brock Lesnar vs Dean Ambrose (WrestleMania 32)
In the build-up to WrestleMania 32, an event damaged by injuries, Brock Lesnar vs Dean Ambrose was the most exciting match on the card, over Undertaker vs Shane McMahon. The two had some fun and intense confrontations before their No Holds Barred Street Fight. Two stipulations in one match, that's how intense the feud was.
Ambrose was gifted a barbed wire baseball bat from Mick Foley and a chainsaw from Terry Funk, but none of them would come into use.
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All the possibilities of crazy and brutal spots were ended when Lesnar simply beat Ambrose in the most straightforward No DQ brawl you will ever see. There was no heart behind this match and once the Lunatic Fringe fell victim to an F5 on a couple of steel chairs, all hope was lost.
There was so much potential in this match, which is why so many people were disappointed by it. Dean Ambrose did not even need to win to be turned into a bonafide main event star, but the Beast did not even give him anything worthwhile.
It was a frustrating ordeal for the man who is now called Jon Moxley, whose ideas were apparently shut down by Lesnar, probably because he did not want to risk injury heading into his UFC return a few months later.