Richmond have confirmed Ben Cousins will play his last AFL match on Sunday against Port Adelaide.

Cousins injured his hamstring last weekend against St Kilda and he will not be fully fit for the Etihad Stadium match.

The Tigers issued a media release on Saturday afternoon, saying Cousins would be in the final 22.

"Richmond can confirm that Ben Cousins will take his place in the Richmond team for tomorrow's match against Port Adelaide at Etihad Stadium," the Tigers announced.

"Following the match, Cousins will walk a lap of the ground with his team-mates to thank the fans for their support throughout his career."

It has been a big week for Cousins, following the massive interest in the two-part television documentary about his drug addiction.

Port Adelaide made a change on Saturday, leaving out Nick Salter because of a calf muscle injury.

Michael Pettigrew will take his place and Marlon Motlop is now one of their emergencies.

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