The Rossoneri players will be wearing specially printed jerseys during their warmup with a message to demonstrate their support for racism to be kicked out of the game
The gesture has been taken following the fracas emanating from the club's recent friendly against Pro Patria, where a number of players were the victims of racist abuse from the home crowd, including attacker Kevin-Prince Boateng.
"Tomorrow [Sunday] afternoon during the warmup before the match against Siena, Milan will wear a shirt specially designed for the occasion with an anti-racism slogan," a statement issued by the Milan giants read.
"The initiative has been strongly backed by president Silvio Berlusconi, the club and the team."
Boateng spoke out after the incident suggesting a stronger stand should be taken and his actions have since been praised by other players within the football community.
The 25-year-old has also admitted the racist abuse he suffered has made him question his future in Italy.