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I thought Matt brought up good points a couple of times only to be roundly ignored.
He reminded the ref that Sias was taken out 10m off the ruck when he was trying to ignore that and give the try, waved away.
He was checking to see whether the shoulder had left the scrum when Sias played at the ball, rightly arguing that if so, the ball was out, didn't even get a wave, complete turning of the back.
Apparently the ref had money on a Crusaders 5 point win!