Canelo Alvarez, Gennady Golovkin face off and let final sparks fly before fight

From the moment Gennady Golovkin walked out of T-Mobile Arena last year feeling scorned, and from the instant Canelo Alvarez found out he'd submitted a positive drug test, the fighters have longed to settle things in the ring. Their pent-up hostility seeped out Friday after each made weight for...