Watch: Andre Berto media workout

In what is expected to be the final fight of his Hall of Fame career, Mayweather (48-0, 26 KOs) will put his undefeated record on the line against the all-action Berto (30-3, 23 KOs), a veteran of eight world title fights who has long been considered a potential opponent for Mayweather. If triumphant, Mayweather would match the record of the late heavyweight champion Rocky Marciano, who retired in April 1956 with a record of 49-0.

The workout will be available from 4pm ET / 9pm UK. The feed will be hosted by Mark Kriegel and will be available in High Definition

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