#5 Should be - Daniel Bryan

Daniel Bryan made his much awaited return to in-ring competition at WrestleMania 34 where he teamed up with SmackDown Live's commissioner, Shane McMahon, to defeat the duo of Kevin Owens and Sami Zayn.
He then stepped down from his GM role and made a full-time return to the ring. Bryan has been involved in feuds with Big Cass, The Miz and AJ Styles since his return, and after his defeat to AJ Styles on the SmackDown episode before Crown Jewel, taking part in the traditional Survivor Series match is the best thing Bryan can do at the inter-brand warfare PPV.
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The Bearded G.O.A.T was one of the flag-bearers of SD Live after the brand split, and his absence from the match would make no kayfabe sense.