Reading midfielder Steve Sidwell has agreed to join Chelsea on a free transfer after his Royals contract expires on 1 July.
Sidwell has been a key player for Reading this season
As well as Chelsea, the 24-year-old Sidwell had also been linked with moves to Manchester United or Newcastle.
Sidwell will be Chelsea manager Jose Mourinho's first signing of the summer.
Sidwell, who reportedly rejected an offer of a new four-year deal worth £25,000 a week, has been a key player for the Royals this season.
Last season Sidwell scored four times in 35 Premiership matches.
Chelsea said Sidwell had passed a medical but gave no details about the length of his contract.