I'd call into serious question Bisping's title as an "ambassador" of UK MMA. He might be the best English fighter and the most well known, but he's far from being an ambassador. Floyd Mayweather may be the best boxer on the planet right now, but in now way is he an "ambassador" of his sport.
I'd consider someone like Ross Pearson, John Hathaway, or Brad Pickett to be an ambassador.
Rich Franklin - Holly Holm - Carlos Condit - Andrei Arlovski
Credit to Spite for the sig!