NRL admits sin bin call that baffled Benji was wrong

NRL head of football Graham Annesley has admitted the sin bin punishment for Apisai Koroisau was too harsh after Wests Tigers coach Benji Marshall described the NRL's adjudication as a "lottery". Marshall also had three of his players learn their fate with the match review committee.

Koroisau was binned for a dangerous throw on Lindsay Collins in the second half while Adam Doueihi followed him not long after for a hip drop.

John Bateman was also placed on report for a high shot on Angus Crichton in the 66th minute, earning him a maximum $1500 fine from the match review committee, with an early plea offer of $1000.

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Doueihi escaped lightly, with a $750 fine with an early plea. Koroisau was not charged for his offence. Annesley said he had no problem with the Tigers captain being put on report but conceded "I don't think it reaches the mark for a sin bin offence and clearly the match review committee didn't feel it reached that level for a charge".

"It's certainly a dangerous practice ... but in this particular case, because of the way the player lands on the ground, probably shouldn't have been sin binned," he said.

Post-game, Marshall vented his frustration, describing both sin bins as "harsh".

"To be honest, I'm a little bit confused about them. Doueihi's one in particular, I don't know what he's supposed to do? Sol (Solomona Faataape) puts on a good shot and sends him backwards and Doueihi's just underneath him, so I thought that was a bit harsh," he said.

"We had one put on report against us too, so we need a bit more and then obviously Api's one, it could've went either way, I thought it was pretty harsh as well.

"... Doueihi tackled him from behind and he got hit from in front, so I don't know. It's hard to know, it's like a lottery at the moment and we seem to be at the other end of them quite often."

Asked for his thoughts, Koroisau said he "didn't have many feelings" on his incident, stating he'd let the team down.

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Roosters coach Trent Robinson was also asked for his opinion and sympathised with Koroisau.

"To be honest, I'm not sure. It's obviously a really dangerous tackle and you don't have to be injured off that, because the consequences are really bad, obviously, on grabbing between the legs and turning them over," he said.

"I don't know if it's 10 minutes or not, that's me, someone might tell me I'm completely wrong but I think it changes the course of the game completely and I think that was the debate Wayne (Bennett) started a few days ago.

"There was a really good, honest discussion around the use of the bin and use of weeks out but we want to keep the integrity of the game and the contest of the game.

"I didn't think it was 10 minutes, I said that in the box to the guys 'I don't think he'll get 10 here' and the Doueihi one I didn't look at."