Zamora v Zarate met one night in Little Mexico, a fearsome quarter of Los Angeles, in a fight of extraordinary quality. Veteran broadcaster and journalist Steve Bunce tells Caroline Barker about two fighters with some of the most remarkable statistics to ever meet in the ring. No defeats, a combined 74 wins with 73 ending in knockout. A man in underpants invades the ring at one point and we also hear about other unexpected sporting interruptions.