The 31-year-old former Ghana international is set to complete a switch to be closer to his partner and son
Kevin-Prince Boateng will imminently complete a move from Eintracht Frankfurt to Sassuolo, Goal understands.
The two clubs have reached an agreement over a fee for the midfielder, who will return to Serie A for a third stint after spending time previously with Milan.
He will sign a three-year deal at the Modena club, though the cost of his move is not yet clear.
He enjoyed an excellent season in the Bundesliga, where he played 31 times and scored six goals.