Leeds hooker Mark Regan has been fined �500 after he was found guilty of bringing the game into disrepute. The England World Cup winner was stamped on by Northampton scrum-half Mark Robinson in the Powergen Cup quarter-final on 22 January.
Robinson was sent off but Regan later admitted he had exaggerated his injury.
Regan was not found guilty of conning the referee but was reprimanded for his television comments, which made him guilty of the overall disrepute charge.
Robinson has received a 14-week ban, sidelining him for the rest of this season unless Saints reach the Heineken Cup final or Zurich Premiership play-offs in May.
Earlier on Tuesday, Regan announced he would be rejoining Bristol Shoguns next season, ending a three-year stint at Headingley.
Ace Tiatia has been suspended for two weeks by a Rugby Football Union disciplinary panel. The Harlequins hooker was sent-off for striking an opposition player during the Zurich Premiership game against Gloucester on 5 February.
Tiatia, who pleaded guilty to the charge, is banned from 9 February and free to play again on February 23.