Middleweight champ Gennady Golovkin -- who's 37-0 with 33 knockouts -- enters the ring for Saturday's megafight in Las Vegas as a solid favorite over Canelo Alvarez (49-1-1, 34 KOs). But is GGG a good bet? After all, he's coming off an uncomfortably close decision win over Daniel Jacobs. Our model, developed by data scientist Walter Wojtowicz, has the answer. It's coming off another victory in Mayweather-McGregor -- the model has nailed every one of Mayweather's fights -- and also called Tyson Fury's huge upset of Wladimir Klitschko... Join SportsLine now to see who wins Canelo-GGG and how long the fight lasts, all from the model that just nailed another Floyd Mayweather fight with uncanny accuracy!