The biggest fight in boxing today will come to T-Mobile Arena in Las Vegas on Saturday, Sept. 16 when two-division world champion Canelo Alvarez (49-1-1, 34 KOs) squares off against IBF/WBA/WBC Middleweight World Champion Gennady “GGG” Golovkin (37-0, 33 KOs) over 12 rounds during Mexican Independence Day weekend. The event will be produced and distributed live by HBO Pay-Per-View.