In a matchup that pays homage to the rich and proud tradition of Mexican boxers, Canelo Alvarez faces Julio Cesar Chavez on Cinco de Mayo weekend in Las Vegas. SportsLine boxing analyst Josh Nagel and Vegas oddsmaker Hugh Citron preview the fight and agree on the winner... Join SportsLine now to see whether there will be an upset of biblical proportions, plus get 7 months free when you buy an Annual subscription!