The NRL plans to investigate comments directed at match officials by Sydney Roosters coach Trent Robinson.
The Roosters kept pace with the reigning premiers on Friday night but couldn't close the game out after earning only 28 per cent of the territory and finding themselves on the wrong end of an 8-3 penalty count.
After the 26-18 loss at BlueBet Stadium, Robinson lamented a series of "big decisions" from referee Gerard Sutton that he believed cost his side.
