North Melbourne defender Scott Thompson could face scrutiny from the Match Review Panel after a late high hit on Geelong star Patrick Dangerfield.
Thompson and Dangerfield were involved in a contest midway through the first term when Thompson hit Dangerfield in the face with his forearm.
Dangerfield was dazed but played on.
Watch the incident here:
Fans on Twitter thought Thompson will face weeks off:
North lead the Cats 6.2 (38) to 2.1 (13) at quarter time.