Intersting read on stars who flopped at the pro level. Greg Oden checks in at #1 and Clarett is at #7.

Many of these guys weren't "flops", but never reached their potential due to other reasons. 

http://espn.go.com/espn/feature/story/_/id/15447349/top-25-unfulfilled-potential-reality-falls-spectacularly-short-expectations