Both could be on their way in January with a number of clubs keen to sign one or the other of the Brazilian pair.
Allegri said: “If Pato and Robinho leave then we’ll need another striker.
“Five attackers is the right number, but it all depends on Galliani’s trip.
“From that we will look at what the best solutions are to strengthen the team. But talking about this now makes no sense.
“If a player arrives then it will be an important player and if it is an important player then they would probably have already played in the Champions League this season.”
