MELBOURNE, AUSTRALIA - JUNE 23: Brodie Grundy, Jordan Roughead and Darcy Moore of the Magpies sing the song in the rooms after winning the round 14 AFL match between the Western Bulldogs and the Collingwood Magpies at Marvel Stadium on June 23, 2019 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Collingwood defender Jordan Roughead is expected to miss the first month of the 2022 season after undergoing surgery on his right shoulder.

The key back, who has played 200 games in 13 seasons across two clubs, underwent an arthroscope on Thursday, with the club hopeful he'll be available for selection by Round 5 or 6.

"Jordan has been managing the shoulder for some time but it reached a point where surgery was required," said Collingwood GM of Football, Graham Wright.

"The expectation is that he will be out of the selection frame for eight weeks or so, which could see him available by rounds five or six. We’re certainly hopeful of that."

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Roughead played 132 games for the Western Bulldogs, including the 2016 premiership, before moving to Collingwood in the 2018 trade period.

He has played 62 of a possible 65 games for the Magpies and is a member of the club's leadership group.

Roughead's absence will leave a hole in Collingwood's defence, with an even greater load now on the shoulders of fellow key defender Darcy Moore.

Collingwood, under new coach Craig McRae, face St Kilda in their season opener on Friday, March 18 at the Marvel Stadium.