Reports in Italy, not yet confirmed by the club, say Milan have given midfielder Boateng a short-term contract until the end of the season.
A longer deal is in prospect if he can impress Coach Sinisa Mihajlovic.
In the Ghanaian’s first spell at the San Siro, he scored 10 goals in 74 league appearances, winning the 2010-11 Scudetto.
—ESPN