BOXING-MMA: Boxing_10

Floyd Mayweather Jr. enters the ring alongside singer Justin Bieber (L) to take on Canelo Alvarez in their WBC/WBA 154-pound title fight at the MGM Grand Garden Arena on September 14, 2013 in Las Vegas, Nevada.

Floyd Mayweather Jr. enters the ring alongside singer Justin Bieber (L) to take on Canelo Alvarez in their WBC/WBA 154-pound title fight at the MGM Grand Garden Arena on September 14, 2013 in Las Vegas, Nevada.