LAS VEGAS, NV - MARCH 07: A general view during a Premier Boxing Champions bout between Keith Thurman and Robert Guerrero in the MGM Grand Garden Arena on March 7, 2015 in Las Vegas, Nevada. (Photo by Alex Trautwig/Getty Images)
LAS VEGAS, NV - MARCH 07: A general view during a Premier Boxing Champions bout between Keith Thurman and Robert Guerrero in the MGM Grand Garden Arena on March 7, 2015 in Las Vegas, Nevada. (Photo by Alex Trautwig/Getty Images)