According to the report, Gabbiadini will have a medical on Friday at the Genoa club before joining on an initial loan with an obligation to buy the striker outright for £10.75 million later in the summer.
Sky Sports also say Sampdoria will pay a further £450,000 if he meets an agreed goal target this season after his January move, as well as an additional £225,000 if the team qualifies for European football next season.
During his time at Sampdoria between 2013-15, Gabbiadini scored 19 goals in 50 appearances in all competitions. He is set to return to the club on a four-and-a-half-year contract.
For Southampton, Gabbiadini has found playing time restricted under former Southampton boss Mark Hughes. Under current Saints head coach Ralph Hasenhuttl, Gabbiadini has made just one appearance as a substitute late on. He was left out of Hasenhuttl’s squad altogether for their 2-2 FA Cup draw against Derby County last Saturday.
Gabbiadini netted 12 times in 60 appearances during his time at Southampton. Quite the tail off after his blistering start to life on the South Coast.
It is thought Hasenhuttl can only bring players into the club in the January transfer window providing some of the existing squad leaves.