Kai Pearce-Paul sin binned for moment of 'frustration' as Adam O'Brien's reaction sums up horror show

Adam O'Brien's frustration with his side was summed up by a moment of anger when Kai Pearce-Paul was sin binned for a costly brain fade during the second half against the Eels.

Pearce-Paul was sucked in by the antics of Mitchell Moses when the Eels attacked the line in the 62nd minute.

After a previous ruck infringement from Tyson Frizell earlier, Pearce-Paul tackled Moses with the Eels halfback pushing him in the face with an open hand while trying to get a quick play the ball. The Knights second-rower then pushed him on the ground with referee Todd Smith blowing a penalty before sending him to the bin.

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Smith said it was for three infringements in a row.

Pearce-Paul reacted with his mouth wide open before the camera panned to O'Brien who had his hands in his head.

"That's just frustration, look at the poor old coach," Steve 'Blocker' Roach said on Fox League.

Parramatta then extended their lead to 18-0 with a penalty goal.

With a one-man advantage, the Eels extended to 22-0 through future Knights recruit Dylan Brown. Another try came through Jordan Samrani before the match finished at 28-6.

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The sin bin added to poor statistics against the Knights at full time. 48 tackles were missed in whole by the side, compared to Parramatta's 24.

Parramatta did have more errors though with 15 against Newcastle's 14.

Post-game, O'Brien said his side is in a "funk" but applauded their effort.

Once again he was also asked about the absence of Jackson Hastings. The halfback hasn't been sighted for the Knights this year despite their attacking struggles. However, it's been reported he's fallen out with teammates.

O'Brien doesn't believe he'd fix their issues.

"I look at everything, but I don't want to single out (the halves). Our issue isn't Tyson Gamble or Fletch (Sharpe), Jackson being able to come in and fix the forward power problem, I don't see that (as a solution)," he said.

Five Knights forwards; Tyson Frizell, Dylan Lucas, Pearce-Paul, Mat Croker and Thomas Cant, ran for over 100 metres.