I read somewhere that he may have lost 256 fights but hes only been KO'd 7 times, thats a lot of 12 round fights so he aint no push over. He has been in the ring with alot of top fighters as well. See below a list of a few-

Patrick mullings
Nas
spencer oliver
paul ingle
michael brodie
jon jo irwin
johnny armour
duke mckenzie
paul lloyd
scott harrison
dean pithie
richard evat
michael gomez
acelino freitas
bradley price
gavin rees
lee meager
gary thornhill
derry matthews
kell brook

Respect to him and anyone that get in the ring, it takes balls