Rabbitoh Liam Knight and Warrior Sam Lisone will both miss two matches of the NRL season, after being found guilty at the judiciary last night.

Knight was sanctioned with a grade two charge over a tackle on James Graham in Thursday night's clash against St George Illawarra.

Knight unsuccessfully contested the grading and will now miss upcoming games against Gold Coast and Manly.

Had Knight pleaded guilty to the original charge, he would have missed only one match, with the possibility of downgrading the punishment to avoid suspension.

Lisone was found guilty by the judiciary for his tackle on Tigers forward Thomas Mikaele on the weekend. The offence was considered grade one dangerous contact on the head or neck of the player.

Lisone will miss matches for the Warriors' against Manly and Gold Coast.