TAMPA  - Two days before their primetime fights, televised fighters on Premier Boxing Champions on ESPN conducted a final press conference before their Saturday, July 11 bouts at USF Sun Dome in Tampa.

While main event participants Keith "One Time" Thurman (25-0, 21 KOs) and Luis Collazo (36-6, 19 KOs) were calm and focused discussing their world title bout, Tony Harrison (21-0, 18 KOs) and Willie Nelson (23-2-1, 13 KOs) launched verbal jabs at each other during the formal portion of the press conference and through their face-offs.

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"PBC on ESPN - THURMAN vs. COLLAZO," a 12-round fight for Thurman's Welterweight World Championship, takes place Saturday, July 11, at the USF Sun Dome in Tampa, Florida. The event is promoted by Warrior's Boxing. In the co-main event, Tony Harrison will face Willie Nelson in a 10-round middleweight bout. It will air live on ESPN (9 p.m. ET/ 6 p.m. PT).