Inter Milan president Massimo Moratti admits Giampaolo Pazzini has left egg on their faces.
Pazzini thumped home a hat-trick for AC Milan in victory at Bologna on Saturday, a day before his old club were beaten by AS Roma at home.
Moratti conceded: "It's like a nightmare, it's bad for us ...
"I'm happy for him, but for Inter certainly it was not a good advertisement. But now we must calm down ..."