The Brazil international suffered the injury during Wednesday’s draw with Udinese.The news is a blow for Milan as fellow forwards Zlatan Ibrahimovic and Robinho are also sidelined with injuries along with Kevin-Prince Boateng, Massimo Ambrosini, Gennaro Gattuso, Philippe Mexes and Luca Antonini
Scans have confirmed Pato has strained his thigh muscle and that he will be sidelined for four weeks with the problem.
