Lazio defender Stefan Radu is set to miss the rest of the season due to a back problem.
The Romanian centre-back underwent tests this week which showed that he is likely to be sidelined for 30 to 40 days.
The season is due to end on 22nd May so there is only a small chance that Radu will return to play any part in the run-in.
News of Radu's injury hits Lazio's hopes of securing UEFA Champions League qualification for next season.
Lazio are a point ahead of Udinese in the race for the fourth ahead of this weekend's action.