UPDATE: Collingwood's Dane Swan has confirmed he was swarmed by South Australian police on Wednesday night in a case of mistaken identity.

Swan was driving out to get a coffee and watch the NRL State of Origin decider with a friend - former Sydney Swan Gerrard Bennett - when officers swooped.

Has Dane Swan been hanging out with a texta-wielding Mr Squiggle? Credit:Getty Images

"I was going to a mate's joint to watch the (State of) Origin. We did (get pulled over)," he told Channel Seven after the Magpies' narrow loss to Port Adelaide at Adelaide Oval on Thursday night.

"We had literally gone three blocks and I was like 'mate, what have you done to me? What's going on here?'.