Police have released mobile phone footage of two men being seriously assaulted near the MCG last night after the qualifying final between Richmond and Hawthorn.

Mobile phone footage shows two men on the ground, aged 61 and 45, being assaulted by three unknown men at around 12:10 am, according to police.

The 61-year-old was punched approximately 17 times and stomped on by one offender, while the 45-year-old was assaulted by the other two.

Police say the three unknown offenders are described as being Caucasian, with one wearing Richmond Football Club clothing.

Anyone who witnessed the assault or who may be able to identify the three unknown men in the vision is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au.

WATCH HERE:

(Warning: graphic.)