Six players have been charged with disciplinary offences committed in First Utility Super League Round 21 fixtures.
Kevin Sinfield of Leeds Rhinos has been charged with making a Grade C head-butt on Castleford Tigers player Luke Dorn in the 74th minute of a match played on Thursday July 17.
Four players – Travis Burns and Adam Walker of Hull Kingston Rovers, and Josh Griffin and Tommy Lee of Salford Red Devils - have been charged with Grade A punching following an incident in the 59th minute of a match played on Sunday July 20.
Lee has also been charged with making a Grade B shoulder charge on Travis Burns of Hull KR in the 59th minute of the same fixture.
Matty Ashurst of Salford has been charged with making Grade B dangerous contact with Jason Netherton in the 15th minute of the same fixture.
All six players were charged after the incidents were viewed by the RFL Match Review Panel, which also issued a formal caution to Chris Hill of Warrington Wolves for making dangerous contact with Widnes Vikings player Willie Isa in the 67th minute of a fixture played on Friday July 18.
Sinfield, Burns, Walker, Griffin, Lee and Ashurst have until 11.00am on Tuesday July 21 to submit Early Guilty Pleas. Lee has the option of submitting an Early Guilty Plea to one of his two charges and will face an independent disciplinary tribunal on the other on Tuesday evening.