Is use of the Forearm Illegal or not?

[sumkalambay]

it's not like PBF swings the elbow.

it's up to the refs to catch that shit. anyway, hatton-tszyu was downright disgraceful.

at the end of the day, PBF doesn't win b/c he uses forearms. it's because he's better than his opponent.

Whats the need for it then? It must help him or he would never do it. Floyd ducks below the belt a hell of a lot and uses forearm/elbow often but it's up to the ref to pick up on it. To be fair it's not like he is butting and throwing low blows in there he is just bending rules rather than breaking them. If that makes sense.

all great fighters have a dirty trick up their sleeve