Featherweight rivals Larry Mir and Chris Barden headline Tuff-N-Uff's returns to Las Vegas on April 23 Las Vegas' top amateur mixed martial arts promotion, Tuff-N-Uff, returns to the Orleans Hotel & Casino on Friday, April 23, and emotions are sure to be high as budding rivalries fill the evening's 15-bout lineup. Featherweight rivals Larry Mir (2-2) and Chris Barden (1-0) look to settle their differences in the evening's main event, while undefeated light heavyweight Nick Thompson (5-0) looks to silence the controversial John Gettle (3-0), who broke his opponent's arm in his most recent outing. Tickets for the event, which takes place at the Orleans Hotel & Casino's Mardi Gras Ballroom, start at just $25 and are available now at the Orleans Hotel & Casino's box office or online at OrleansCasino.com and TuffNUff.net. Barden made his amateur debut at Tuff-N-Uff's event in Mesquite, Nev., this past October, and he earned an impressive first-round knockout over Justin Vadnais, who i