Ben Currie, Fuifui Moimoi and Joe Greenwood have been charged after offences committed in the Ladbrokes Challenge Cup quarter-final ties.
Warrington’s Currie has been charged with the Grade C offence of making deliberate physical contact with a match official in the 62nd minute of the tie against Leigh Centurions.
Currie has also been issued with a formal caution for kicking out in a 62nd-minute tackle by Jake Emmitt in the same fixture.
Moimoi has been charged with making Grade B dangerous contact with Daryl Clark in the 77th minute of the same match.
Meanwhile, St Helens’ Greenwood has been charged with making Grade C dangerous contact on Widnes Vikings player Kevin Brown in the 68thminute.
Luke Walsh also received a formal caution for kicking out in a 37th-minute tackle by Widnes player Kevin Brown.
Currie, Moimoi and Greenwood have until 11.00am on Tuesday June 30 to submit Early Guilty Pleas.