Saints have been holding talks with Genk in a bid to convince them to let their top scorer go in the middle of a title push.
It has been hard going, with Genk not keen on losing Onuacho, even though the player is dreaming of testing himself in the Premier League.
Now, according to Belgian journalist Sacha Tavolieri, a breakthrough has been made and Southampton have an agreement.
Nathan Jones’ side have agreed to paid Genk a fee of €18m plus add-ons worth €3m to take Onuachu to St Mary’s.
The striker, who trained with Genk this morning, will soon be put through his medical paces by Southampton.
The Premier League side have prepared a three-and-a-half year contract for Onuacho to put pen to paper to
He will hand Jones a vital extra attacking option as Southampton look to secure survival in the Premier League.
