#6 The Undertaker vs Triple H
Although these two Superstars met at WrestleMania 17 in 2001, Triple H was a heel back then. The Game came back to WWE from a short hiatus in 2011, to interrupt The Undertaker and challenge him to a match at WrestleMania 27.
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The bout was your usual classic Undertaker showcase, with The Phenom emerging victorious in the end. It wasn't the end of this rivalry though, as Triple H came back the next year to ask for a final shot at the streak.
The stakes couldn't have been higher, as The Undertaker met Triple H inside Hell in a Cell, with Shawn Michaels acting as the special guest referee.
The match was an incredible display of storytelling, with The Undertaker surviving a Sweet Chin Music and a Pedigree to extend his streak to 20-0.