It's not easy drafting defensive linemen to make an impact on your team. Ask New Orleans. Former Texan 2002 sixth round draft pick, Howard Green is starting ahead of Johnathan Sullivan. The Saints traded two first round picks to move up to take Sullivan sixth overall in the draft.
Pete Prisco article - http://www.sportsline.com/nfl/story/7687696/1
What other highly drafted defensive line prospects have underwhelmed in your opinion?