Parys Haralson and Delanie Walker departed the San Francisco 49ers' roster this offseason after entering the NFL has 2006 draft choices with the team.2006 San Francisco 49ers DraftAnother member of that 49ers draft class, fullback Michael Robinson, was a valued contributor to the division-rival Seattle Seahawks when the team released him Friday with age and salary-cap considerations in mind.The 2006 class has been good to the 49ers. The team continues to get top-shelf contributions from tight end Vernon Davis, one of the team's two first-round picks from that 2006 class.