Career
During his college career he scored 1,592 points and grabbed 771 rebounds. He was the first McDonald"s High School All-American in school history. He entered the 1999 National Basketball Association Draft, and was picked 55th overall by the Boston Celtics, but he never signed with an National Basketball Association team
Clack was taken with the 14th pick of the seventh round in the 2008 National Basketball Association Doctorate-League Draft by the Albuquerque Thunderbirds and played for the Austin Toros.
He has also played in Italy.