The 32-year-old has impressed in the Serie A this season, scoring 24 goals in 37 appearances for the club.
Di Vaio played a key part in keeping Bologna in the Serie A in their first year back in the top flight.
The 32-year-old has impressed in the Serie A this season, scoring 24 goals in 37 appearances for the club.
Di Vaio played a key part in keeping Bologna in the Serie A in their first year back in the top flight.
