he's very much a defensive boxer that counter punches rather than someone who attacks constantly.
that's why he doesn't get knockouts, it's not his style of boxing.
his defence is arguably the best in the world, he hardly ever lets the opponent get a clean hit on him. that's how he wins, if the opponent can't hit him then they cannot win simple as that really.
mayweather is never the best the world has ever seen though, he dodged a lot of boxers when they were in their prime (manny, de la hoya, etc) and he has also forced a lot of boxers to fight him at a different weight from what they normally fight at giving himself a huge advantage.
he waited until a lot of his big opponents were past it before fighting them too.
manny would have been the ultimate match up because manny hurts people, floyd doesn't because he doesn't have the power manny has, floyd slowly grinds people down, whereas manny beats them down. manny is a fighter and floyd is a boxer.
the deal never materialised though and yet another dodge from mayweather.
mayweather has played his career like chess, tactfully and waited until he had the advantage before making fights with the big guys.
lets take the de la hoya fight
de la hoya is 4 years older than mayweather, he was 34 and mayweather 29. de la hoya had lost 2 of his previous 4 fights before fighting mayweather.
he was in decline.
now lets take bernard hopkins he is also older than mayweather and he publicly challenged mayweather to a fight at 160lbs
this is the lowest weight hopkins had ever fought at and mayweather has never fought at that weight ever but has fought at 154lbs. he never took the fight because he knew hopkins would have the advantage even though he is older than mayweather by 13 years.
i mean imagine dodging a guy 13 years older than you because you wouldn't jump up 6lbs. yet he forces other boxers to jump up weight or drop weight to fight him.
imo he has dodged so many people and forced people to fight at weights that suited him more than them that he could never be the greatest ever.