Pressure is mounting on the Sydney Roosters forwards with no Tri-colours big men averaging 100m this NRL season.

Heading into Friday's crunch clash with Cronulla, coach Trent Robinson refused to comment on the performance on his pack following their 2-2 start to the year.

Sydney Roosters might not be getting the go-forward they need from their forward pack. Credit:Daniel Munoz

In a worrying statistic, no Roosters starting or bench forward has topped an average 100 metres over the first four rounds.

Of all 16 clubs, the Roosters are the only one without a forward in the 100m-plus club in 2018.