MELBOURNE, AUSTRALIA - JULY 23: Darcy Moore of the Magpies comes from the ground with an injury during the round 18 AFL match between the Collingwood Magpies and the West Coast Eagles at Etihad Stadium on July 23, 2017 in Melbourne, Australia. (Photo by Darrian Traynor/Getty Images)
Collingwood has been dealt a blow in a tense and tight second half, with forward Darcy Moore ruled out for the remainder of the match.
Moore suffered a concussion after copping a knee to the back of the head in the second quarter.
He has been taken to hospital as a precaution after reporting neck soreness.
Moore had just three disposals before he was knocked out.