Veteran big man Nick Collison retires after 15 seasons in NBA
Oklahoma City Thunder forward Nick Collison announced today that he will retire after 15 years with the organization. Over the course of his career, Collison appeared in 910 regular season games (177 starts) and posted career averages of 5.9 points, 5.2 rebounds and 1.0 assist in 20.4 minutes per game. Additionally, Collison saw action in…