Sep 16, 2017; Las Vegas, NV, USA; Gennady Golovkin (green trunks) and Canelo Alvarez (blue trunks) box during the world middleweight boxing championship at T-Mobile Arena. The bout ended in a draw. Mandatory Credit: Joe Camporeale-USA TODAY Sports
Gennady Golovkin, left, blocks a shot from Saul 'Canelo' Alvarez during the world middleweight boxing championship at T-Mobile Arena in Las Vegas. The bout ended in a draw. Joe Camporeale / USA Today

Alvarez and Golovkin promise fireworks in Cinco de Mayo rematch