Valter Birsa will undergo tests on Wednesday after the Milan man picked up an injury ahead of the Ajax game.
The Slovenian international limped out of the warm-up before last night’s 1-1 Champions League draw in Amsterdam.
The summer signing from Genoa is understood to have picked up a muscle strain and is thus a doubt for Sunday’s tie against Juventus.
The midfielder has scored one goal in four Serie A appearances for the Diavolo this term. He’s also played in one Champions League tie.