PERTH, WESTERN AUSTRALIA - APRIL 08: Liam Ryan of the Eagles celebrates after scoring a goal during the round three AFL match between the West Coast Eagles and the Geelong Cats at Optus Stadium on April 8, 2018 in Perth, Australia. (Photo by Will Russell/AFL Media/Getty Images)

West Coast forward Liam Ryan has been subbed out oh his side's clash with St Kilda after suffering a hamstring injury.

Ryan sustained the injury in the opening quarter of the game, with medical sub Jarrod Brander coming into the side.

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