#1 The 2nd loss
Although the ending of the streak did cause tons of controversy in the wrestling world, the hullabaloo soon died down. By the time WrestleMania 33 rolled around, Undertaker's record had been advanced to 23-1, with Undertaker's wins against Bray Wyatt and Shane McMahon.
The numbers still looked good on paper, signifying the fact that The Undertaker managed to topple everyone who came in his path, except that one dangerous beast who was too tough, even for The Phenom.
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Roman Reigns' win ruined that too! When Reigns delivered a thunderous spear to a battered Undertaker, the sea of fans inside the stadium gasped in unison.
Now, the streak was at 23-2. These figures looked less impressive compared to when the streak was unbroken, or when only Lesnar had managed to put The Deadman down. This was the final nail in the coffin of The Undertaker's WrestleMania streak, as well as the aura attached to the legendary character that he spent decades building up.