NRL head of football Gerard Sutton said the match review committee would 'look very closely at ' the Canterbury forwards ' behaviour . Graham argued with referee Todd Greenberg for awarding Souths a penalty . Klemmer was sin-binned for yelling 'You 're off your f****ing face , ' at the ref . Both could have could have contrary conduct and detrimental conduct charges referred straight to the NRL judiciary . Highest charge carries 525-demerit point penalty and five-game ban . It comes as NRL heads slam spectators who threw bottles at referees . Police have not laid charges , but two men have had their details taken .
NRL head of football Todd Greenberg said the match review committee would 'look very closely at ' the Canterbury forwards ' behaviour . Graham argued with referee Gerard Sutton for awarding Souths a penalty . Klemmer was sin-binned for yelling 'You 're off your f****ing face , ' at the ref . Both could have could have contrary conduct and detrimental conduct charges referred straight to the NRL judiciary . Highest charge carries 525-demerit point penalty and five-game ban . It comes as NRL heads slam spectators who threw bottles at referees . Police have not laid charges , but two men have had their details taken .