Nathan Ake has made 11 first-team appearances for Chelsea in his career . Dutch Under 21 international joined the Blues in the season . 20-year-old will be ineligible for Reading 's FA Cup semi-final vs Arsenal .
Nathan Ake has made 11 first-team appearances for Chelsea in his career . Dutch Under 21 international joined the Blues in the summer of 2011 . 20-year-old will be ineligible for Reading 's FA Cup semi-final vs Arsenal .