Game 1 Souths v Roosters  :Digital Image  Grant Trouville © NRLphotos  : NRL Rugby League - 2016 Auckland 9s - Day One Auckland Auckland 9s. Saturday February 6th 2016.

Chris Lawrence and Tyler Cassel picked up injury concerns as Panthers Bryce Cartwright and Waqa Blake combined to thrash Wests Tigers 23-7.

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The scoring started with a perfect right-arm offload from Cartwright which sent Dallin Watene-Zelezniak racing down the sideline to score. 

With Tigers skipper Lawrence off early to get his hip iced the Panthers forced a drop out and more beautiful work from Cartwright with an over-the-shoulder pass put Blake over for his first. 

Josh Mansour then steamrolled over for to give Penrith a 12-0 half-time lead.

Tigers youngster Tyler Cassel joined his skipper on the sidelines when he went low in a tackle and was concussed early in the second half before Blake cashed in on a simple overlap for his second. 

A stunning solo effort from Tim Simona, who chipped ahead for himself twice, finally got Wests on the board with a seven-point try under the posts.

But the red-hot Cartwright jinked down the right touch line then kicked ahead for Blake to bring up his hat-trick on full-time with a seven-point try of his own and seal a 23-7 win.

Penrith Panthers 23 (Blake 3, Watene-Zelezniak, Mansour tries) def Wests Tigers 7 (Simona try)