IT COULD be one-way traffic in Collingwood's favour when it faces Greater Western Sydney on Saturday night at the MCG, according to the Schick AFL Player Ratings.

The Pies will have eight of the top-10 ranked players on the ground in the semi-final.

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It shows how damaging the absence of brilliant Giant Josh Kelly will be. He would have been ranked the fourth-best player on the ground had he not been injured last week with a meniscus tear in his right knee.

Kelly's overall ranking is 18.

The Player Ratings are calculated by Champion Data using a variety of stats, taking into account an individual's past 40 games over a rolling two-year period.