The Charlotte Bobcats have exercised the fourth-year options on forward/center Bismack Biyombo and guard Kemba Walker, as well as the third-year option on forward Michael Kidd-Gilchrist.
Walker, 9th overall pick in the 2011 NBA Draft, has played in 149 straight games since joining the Bobcats, with averages of 15.2 points, 5.1 assists, 3.5 rebounds and 1.5 steals in 31.4 minutes.