Wigan forward Liam Farrell is facing the threat of suspension after being charged with a grade B offence.
The England second rower is accused of striking Warrington half-back Stefan Ratchford with his knees during his side's 28-16 home defeat by the Wolves on Friday night.
Farrell, who is facing a ban of one or two matches, was the only player from Super League's round nine games charged by the Rugby Football League's match review panel.
Second-placed Wigan currently trail leaders Warrington by two points in the Super League standings.