The Nerrazurri squandered another chance to party the Scudetto title and now they will have to beat Parma next week to secure their league title and this season's double.

The visitors came back twice from behind through Massimo Maccarone, 30, and Houssine Kharja, 69, to cancel Patrick Vieira,11, and Mario Balotelli, 45, goals.

Marco Materazzi missed a late penalty to end the match on a draw and collect his side its 82nd point of the season.

Christian Panucci, 23, and Daniel De Rossi, 67, struck for Roma to blow the title race wide open.

Elsewhere Fiorentina leapfrogged AC Milan into the fourth place with a 3-1 win against Parma. Carlo Ancelotti's men crashed at Napoli 3-1.

The Rossoneri have 61 points just two behind fourth-placed Fiorentina who need to win to secure a Champions League spot.