Floyd Mayweather and Saul "Canelo" Alvarez stepped onto the scales tonight in front of a rowdy Las Vegas crowd to make tomorrow night's mega-fight official.
Mayweather was second up on the scales and checked in well below the 152 pound limit, coming in at 150.5 pounds.
The fight takes place live on Showtime pay-per-view Saturday night. The card starts at 9 p.m. ET with the main event fighters likely to hit the ring around midnight. Standard definition costs $65 with high def costing $75, the most expensive boxing PPV ever.