Offensive tackle Tyron Smith, picked 9th in 1st round of 2011 draft by Dallas Cowboys: Smith was seen as a sure thing when he was picked, and he's become one of the best pass protectors in the league.
Linebacker Brian Cushing, picked 15th in 1st round of 2009 draft by Houston Texans: Cushing has become one of the best linebackers in the league, backing up JJ Watt's enforcement with his own brand of pass rushing and edge tackling.
Linebacker Clay Matthews, picked 26th in 1st round of 2009 draft with Green Bay Packers: Matthews has been the only great member of Green Bay's defense in recent years. His unstoppable motor has made him a fixture in backfields the past six years.
Center Ryan Kalil, picked 59th in 2nd round of 2007 draft with Carolina Panthers: Perhaps the best center in the NFL, Kalil has been selected to Pro Bowl after Pro Bowl for his ability to execute every form of offense.