Jeremy Howe has been sidelined after an injury this week.
In an intra club match on Friday the Collingwood defender limped from the ground with an adductor injury via Mitch Cleary.
Clearly reporting that Howe will miss the practice game against Hawthorn this week.
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Collingwood are likely to provide an update in the upcoming period, his current status for Round 1 is not known.
The Magpies also play GWS on March 6 at Giants Stadium in the AAMI Community Series.