Gold Coast defender Campbell Brown has defiantly defended his AFL playing style after two controversial incidents in Saturday's loss to the Western Bulldogs.

Brown appears certain to face suspension for his contact with Callan Ward and will also be under video scrutiny for making high contact with Barry Hall.

The former Hawthorn premiership player is noted for his physical approach to the game.

"There probably is a fine line, but Gold Coast knew what they were going to get when they got me up there," Brown told Channel Seven's Game Day.

"I'm not going to change my game - never have, never will.

"Whether you call it crossing the line, I've done it my whole career and sometimes I do it and I try not to.

"I think I've got a lot better over the years, but that's just the way I play and if I didn't play that way, I probably wouldn't be playing AFL footy."

Brown also said he did not owe the Bulldogs an apology for his actions during the match.

"I don't think I've got anything to apologise for, I would never ring the Western Bulldogs to do that," he said.

Brown admitted there was "stuff said" before the Ward incident, but was cautious when asked about the contact.

"I'm not going to go too much into it, I don't think I can ... I think they said there will be an investigation," he said.

He also said contact was made with Hall's shoulder, not his head.

"If you slow it down, you'll see I make absolutely no contact with his head whatsoever," Brown said.

"I hit him on the left shoulder ... it's not his head, his head doesn't go flying back.

"It's a free kick and that's as far as I think it will go."

Hawthorn midfielder Brad Sewell, a former team-mate of Brown's, said his on-field aggression was only useful if he avoided suspension.

"He plays his footy when he's right up against the line and at times, as we saw, he occasionally crosses that line and it's no good to anyone," Sewell said.

"But you want to play with guys like that, his passion."

Suns coach Guy McKenna said Brown had been spoken to soon after the match, which the Bulldogs won by 71 points.

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