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.
Collingwoodโs Darcy Moore will take no further part in the game after suffering a concussion in the second quarter. #AFLPiesEagles pic.twitter.com/d185NBDVfY
— AFL (@AFL) July 23, 2017
He has been taken to hospital as a precaution after reporting neck soreness.
Moore had just three disposals before he was knocked out.