Three men have been charged by police following their alleged involvement in a brawl between spectators at the Carlton-Collingwood clash at the MCG on Saturday.

Two men from Rosebud aged 20 and 41, and a 36-year-old man from Diggers Rest were charged with affray, with the incident taking place just seconds before the final siren during the Magpies' 19-point win.

Police believe a fourth man is involved, and are hoping to speak with him regarding the incident.

“People will be held accountable for their actions,” Commander Tim Hansen said.

“Anyone found to be drunk, assaulting someone or engaging in an affray at sporting matches can expect to be arrested by police and put before the court.”

Following another incident among fans, football-goers have been warned to expect more and more police in the stands at games this season.