Mayweather re-established his position at the top of the game last May with a unanimous decision win over Robert Guerrero. He has been world champion at 130, 135, 140, 147 and 154 pounds, and is 5/14 favourite to win against Alvarez.
Tale of the tape:
Age: 36, born February 24, 1977.
Birthplace: Grand Rapids, Michigan, USA. Now lives Las Vegas, Nevada.
Record: 44-0 (26 KO).
Height: 5ft 8ins.
Weight: (not official weigh-in): 152 pounds.
Reach: 72 ins.
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The murderer was shaking and appeared to be gasping for air for around 13 minutes before dying.
The positive results come after Chancellor Philip Hammond admitted the government is prepared to sell its stake at a loss to the taxpayer.