Wayne Rooney has decided end his playing career as he has joined Derby County Football Club as manager. He has decided to call time on his illustrious playing career to "fully focus" on being the manager of Derby County. In a statement, the club said, "Derby County Football Club is delighted to confirm the appointment of Wayne Rooney as the club's new manager. He takes up the position on a two-and-half-year deal which will run until the summer of 2023.In line with taking up the managerial position, Rooney has elected to call time on his illustrious playing career to fully focus on his job." The 35-year-old Rooney stepped up to lead Derby's coaching team towards the end of November after former manager Phillip Cocu left the club earlier that month. Also Read: Man Utd are good, we have to be at our highest level to win: Klopp ahead of the clash against United Manchester United are never underdogs: Klopp ISL 7: SCEB showed lot of grit, desire against Kerala: Fowler