Watch the nasty head clash here.
St. Kilda defender Sean Dempster was knocked out cold during the Saints’ shock 58-point win over Fremantle after clashing heads with Dockers veteran Matthew Pavlich.
The incident occurred just three minutes into the opening quarter of the match at Etihad Stadium on Saturday.
According to St. Kilda’s Twitter account, Dempster was awake and walking around the change rooms after being stretchered off the field.
Check out the incident below: