Robinho was chosen as the centre-forward ahead of both Mario Balotelli and Alessandro Matri.
"I chose Robinho because gives a different tempo to the side, played well at San Siro and did fairly well tonight too. We had done well under pressure from Barcelona," said Allegri.
"The club hierarchy knew about my choices. I spoke to the President before the game, as I always do, and told him Balotelli was not going to start. I did this for the good of the team and for the good of Balotelli too."
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