Belotti levelled for 1-1 after the break but Pol Lirola flicked in with his heel to make it 2-1 for the visitors.
Substitute Simone Zaza scored Il Toro's second equalizer on 81 minutes and soon after Belotti scored the winner with a majestic overhead kick.
Torino are now sixth with two games remaining and fill the second Europa League slot one point above Roma, who welcome early champions Juventus for a late classic. Sassuolo sit safely in mid-table.
The drop-zone battle saw Empoli win 2-1 at Sampdoria but they are still facing relegation in third-last, while Udinese won 3-1 at relegated Frosinone to stay two points clear of trouble alongside Bologna.
Stefano Okaka struck twice in the first half and Samir netted the other to help the Udine side go one point above Genoa, who lost 2-1 at third-placed Atalanta on Saturday.
Samp veteran Fabio Quagliarella converted a late penalty to beef up his top scorer tally to 26 goals.
Napoli have second place secured before visiting mid-table Spal later Sunday.
Inter Milan fill the fourth available Champions League place and hope to leapfrog Atalanta when they play at relegated Chievo on Monday to close matchday 36. Bologna and Parma also battle to steer clear of the lower reaches on Monday.
Fifth-placed AC Milan won 1-0 at Fiorentina on Saturday and Lazio won 2-1 at Cagliari.
Substitute Simone Zaza scored Il Toro's second equalizer on 81 minutes and soon after Belotti scored the winner with a majestic overhead kick.
Torino are now sixth with two games remaining and fill the second Europa League slot one point above Roma, who welcome early champions Juventus for a late classic. Sassuolo sit safely in mid-table.
The drop-zone battle saw Empoli win 2-1 at Sampdoria but they are still facing relegation in third-last, while Udinese won 3-1 at relegated Frosinone to stay two points clear of trouble alongside Bologna.
Stefano Okaka struck twice in the first half and Samir netted the other to help the Udine side go one point above Genoa, who lost 2-1 at third-placed Atalanta on Saturday.
Samp veteran Fabio Quagliarella converted a late penalty to beef up his top scorer tally to 26 goals.
Napoli have second place secured before visiting mid-table Spal later Sunday.
Inter Milan fill the fourth available Champions League place and hope to leapfrog Atalanta when they play at relegated Chievo on Monday to close matchday 36. Bologna and Parma also battle to steer clear of the lower reaches on Monday.
Fifth-placed AC Milan won 1-0 at Fiorentina on Saturday and Lazio won 2-1 at Cagliari.