Honorable mention: Mike Mohamed has had several stints in and out of the league, including a productive 2014 season with the Texans. Zack Follett was a fan favorite in Detroit before retiring due to injuries. Dante Hughes had a few moments early before moving on.
Let's include special teams here.
8. Bryan Anger, picked 70th in 3rd round by the Jacksonville Jaguars in 2012: Punters are people! Anger had a good period with Jacksonville before deciding to move on and sign with the Buccaneers.
7. Chris Conte, picked 93rd in 3rd round by the Chicago Bears in 2011: Conte was a starting safety for the Bears for years before finding a new role in Tampa Bay, and has been healthy and productive for almost his entire time in the league.