Hull KR forward Rhyse Martin and Castleford Tigers hooker Liam Horne are both facing lengthy suspensions after being charged with Grade E offences in the past round of Super League fixtures.
Both players have been charged with unnecessary contact with a player who is injured or maybe injured, while Martin has also been charged with head contact in his side’s win over Wakefield Trinity on Friday.
The 32-year-old was making his first appearance for the Robins since 27 February.
A tribunal will now decide if the charges are proven. If they are, the pair could face bans of six games or more.