The Miami Heat announced today that they have mutually agreed with forward Kasib Powell to withdraw the qualifying offer that was extended to Powell, immediately making him an unrestricted free agent. Powell was originally signed by the HEAT to a 10-day contract on Mar. 22, 2008. He was re-signed for the remainder of the season on Apr. 8. In 11 games with Miami (four starts) last season he averaged 7.6 points, 4.0 rebounds, 1.6 assists, 0.82 steals and 27.6 minutes.