this is taken from the NRL's website now did either player do a? Definition Of Misconduct
A player is guilty of misconduct if he:
(a) trips, kicks or strikes another player.
(b) when effecting or attempting to effect a tackle makes contact with the head or neck of an opponent intentionally, recklessly or carelessly.
(c) drops knees first on to an opponent who is on the ground.
(d) uses any dangerous throw when effecting a tackle.
(e) deliberately and continuously breaks the Laws of the Game.
(f) uses offensive or obscene language.
(g) disputes a decision of the Referee or Touch Judge.
(h) re-enters the field of play without the permission of the Referee or a Touch Judge having previously temporarily retired from the game.
(i) behaves in any way contrary to the true spirit of the game.
(j) deliberately obstructs an opponent who is not in possession.
