Collingwood defender Simon Buckley has been suspended by his AFL club for three games for running a key down the side of his ex-girlfriend's car.

Buckley, 23, reportedly caused damage worth $5000 when he scraped paint off the woman's black BMW soon after they broke up.

The Magpies said on the club's website that on top of his suspension, Buckley would undergo counselling and had agreed to pay the full cost of damage to his ex-girlfriend's car.

Buckley was drafted by Collingwood last year after 21 games in three seasons with Melbourne, but is yet to play a senior game with his new side.

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