West Coast forward Jack Darling has gone down with an ankle injury against St Kilda at Optus Stadium.
He flew for a mark and landed awkwardly on his ankle late in the first quarter and has not returned to the field.
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This is a big loss for the Eagles as Darling has been superb so far in 2018 kicking 28 goals and sits third on the Coleman table.
UPDATE: The Eagles have confirmed he will not return to the field tonight.