Valter Birsa is expected to make his Champions League debut for injury-hit Milan against Celtic tonight.
The summer signing from Genoa is set to play as the trequartista behind a strike duo of Mario Balotelli and Alessandro Matri.
The 27-year-old has played in the competition before for previous clubs Gorica and Auxerre.
Boss Masssimiliano Allegri has been forced to include four Primavera players in his 21-man squad given his lack of alternatives.
The likes of Kaka, Riccardo Montolivo, Stephan El Shaarawy, Giampaolo Pazzini, Ignazio Abate, Mattia De Sciglio, Daniele Bonera and Matias Silvestre are all unavailable.
Milan probable line-up: Abbiati; Zaccardo, Zapata, Mexes, Constant; Nocerino, De Jong, Muntari; Birsa; Balotelli, Matri.
Milan squad: Abbiati, Amelia, Coppola; Constant, Mexes, Iotti, Zaccardo, Zapata; Benedicic, Birsa, Cristante, De Jong, Emanuelson, Modic, Muntari, Nocerino, Pedone, Poli; Balotelli, Matri, Robinho.
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