Lazaar has struggled at Newcastle since joining in 2016.
After leaving Aston Villa for Frosinone, Aleksandar Tonev has had to address his suspension for loan club Celtic last season.
The Bulgarian flop has found himself a new team in the Italian top-flight.
The Italians are reportedly in advanced talks to sign the forward, with Tim Sherwood keen to sell.
The Italian has helped the club over the line to the Italian top-flight.