LAS VEGAS – As one of just two men to have fought both Manny Pacquiao and Mario Barrios, Keith Thurman is well placed to pontificate on their Saturday clash at the MGM Grand.

The Pacquiao Files LAS VEGAS – Outside boxing, Manny Pacquiao and Mike Tyson are on opposing ends of the spectrum. But inside the ring, the two legends are cut from the same cloth–that’s how Mario Barrios’ trainer Bob Santos described Pacquiao.

Manny Pacquiao and Mario Barrios held their final press conference before their July 19 WBC Welterweight fight. Pacquiao comes out of retirement, hoping to break his own record for being the oldest welterweight champion.