Nathaniel Nyakie Chalobah (born 12 December 1994) is an English professional footballer who plays for Chelsea. He can operate both as a midfielder or defender. After initially joining the academy system at Fulham, Chalobah moved to the Chelsea academy at the age of 10. During the 2010–11 season he featured for Chelsea reserves while still a schoolboy, winning the national championship with the side that season.In 2011–12, Chalobah regularly captained both Chelsea's reserve and youth sides, and led the 2012 FA Youth Cup winning side. He signed a professional contract with Chelsea in January 2012 shortly after turning 17, lasting until summer 2014. He was an unused substitute for the Chelsea first-team at the age of 15, in their League Cup clash against Newcastle and traveled with them to the 2012 UEFA Champions League final in Munich, which Chelsea won. On 30 August 2013, Chalobah signed a new five-year contract with Chelsea, stating that he wishes to stay at Chelsea for his entire career.