#2 Promoting A Big Fight Feel with real fighters
While WWE fans have had mixed feelings about Brock Lesnar's WWE Universal and WWE Championship runs, there's no doubt that he's a legitimate mainstream draw. His match against Goldberg at WrestleMania 33 certainly had the feel of a big fight that could be in the same vein of Ali vs Frazier or Khabib vs McGregor.
WWE has done this many times in the past. Go back to WrestleMania 3 when Hulk Hogan was taking on the undefeated Andre the Giant. John Cena and The Rock's "Once in a Lifetime" match at WrestleMania 28 was another that had the feel of a big time legitimate prize fight.
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Ronda Rousey's work in WWE certainly had people talking about one of the greatest female UFC fighters of all time. Ronda Rousey even went on to headline WrestleMania 35, marking the first time a female ever headlined the event, making history for all the right reasons.
Rousey's UFC work definitely played a factor in getting that WrestleMania main event spot. While taking nothing away from Becky Lynch, Ronda Rousey's legit fight status certainly helped the match feel more real in its presentation. This makes more sense as to why Vince McMahon believes real fighters can push the brand going forward.