The undefeated lineal heavyweight champion of the world — Tyson Fury AKA "The Gypsy King" — put on a show Tuesday afternoon in Las Vegas at the media workout to promote Saturday's title defense against Tom Schwarz at MGM Grand Garden Arena. (photos by Mikey Williams).

In the co-feature, former two-time super middleweight world title challenger Jesse "Hollywood" Hart will make his light heavyweight debut versus longtime contender Sullivan Barrera.

And, in the featured undercard bout, 2016 U.S. Olympian and top 130-pound contender Mikaela Mayer will look to extend her unbeaten record versus Lizbeth Crespo in a 10-rounder.

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