BOXING

Canelo Alvarez vs. Jaime Munguia results, takeaways: Don’t give the champion any extra motivation

Getty Images LAS VEGAS -- Canelo Alvarez was masterful on Saturday in outdueling Mexican countryman Jaime Munguia in a pay-per-view clash inside T-Mobile Arena that provided an exclamation point of excitement to Cinco de Mayo weekend. At 33, Alvarez remained in…