The report states that Bursaspor have accepted a €3 million bid from City for the 18-year-old striker.
Fanatik also state that the Green Crocodiles will receive 10 percent of any future transfer fee if the Turkish international is sold.
The 18-year-old striker has an extraordinary international record, hitting the back of the net 24 times in 25 games for the U16’s and has already been called-up to the U19 as well as the U21 sides.
Ünal made his first appearance for the senior Turkish national team in the 2-1 win over Luxembourg on Tuesday 31 March aged just 17.
The Bursaspor striker also became the youngest player ever to score in the Süper Lig last season and already has seven first team goals for the Green Crocodiles.