Sassuolo have announced the signing of attacking midfielder Jeremie Boga from Chelsea, who retain a buyback clause.
Sassuolo paid a reported €4m for the 21-year-old, who represented France at youth level but has since pledged his international allegiance to Ivory Coast.
He won two FA Youth Cups, the UEFA Youth League and an Under-21 Premier League with the Blues and spent time on loan at Rennes, Granada and
