Ex-AFL recruiter Matt Rendell says Collingwood coach Nathan Buckley got his defensive match-ups completely wrong in last week’s loss to GWS.
Giants forwards Toby Greene and Jeremy Finlayson kicked five and four goals respectively in the 30-point win that consigned the Magpies to their third defeat in four games to start the season.
“(Isaac) Quaynor-Greene, (Jeremy) Howe-(Ian) Hill, (Brayden) Maynard-Finlayson - how have you done those match-ups? How did that happen? Rendell told SEN’s Dwayne’s World.
“Maynard-Greene, Quaynor-Hill, Howe-Finlayson is what it should have been.
“You don’t move Quaynor off Greene until he’s kicked five – the game has gone. It was a bad match-up.
“They lost this at the selection table inside two or three minutes. What a disaster.”
However, Rendell said Collingwood is capable of turning their season around ahead of Friday night’s clash against West Coast.
“This is retrievable. They have to come with a great plan tomorrow night,” the ex-Magpies recruiter said.
"If you look what they’ve got in the next four games this is where the rubber meets the road for this club. They might not beat West Coast, but they’ve got to be super competitive.
“West Coast without (Luke) Shuey are a different team – Shuey’s their most important player. People will say (Nic) Naitanui, no, Shuey makes Naitanui’s ruck stuff look fantastic.
“You play (Levi) Greenwood, you tag (Tim) Kelly.”
The Magpies shocked the Eagles in their previous trip to Perth in last year's Elimination Final.