Undisputed super middleweight world champion Saul "Canelo" Alvarez and American challenger Terence Crawford faced off for one last time before their blockbuster bout at a raucous ceremonial weigh-in on Friday.
Both were 167.5 pounds (75.9kg), half a pound under the supper middleweight limit, at the closed-door official weigh-in on Friday morning.
They then both tipped the scales at the same weight before around 10,000 fans at T-Mobile Arena hours later.
It was a career-high weight for Crawford, a four-division champion who is jumping up from super welterweight in the hope of becoming the first man to win undisputed titles in three weight classes.
Mexico's Alvarez, 35, and Crawford, 37, squared off for a staredown of several seconds before they were separated by Dana White, the mastermi