Video: Boxer Floyd Mayweather Argues With A Jamaican Woman Because She Doesn't Know Who He Is!

Floyd Mayweather Jnr may be undefeated in the ring - but he more than met his match in a south London barbers.

The pound-for-pound No 1, fresh from his victory in his rematch with Marcos Maidana last month, was in Brixton on Tuesday night for a trim.

But he was accosted by a female customer who told him she had no idea who he was.  #WATCH video below: