Johnathon Joseph, Larry Asante, Paul Soliai, Dashon Goldson, Paul Worrilow, Sylvester Williams, Brandon Mosley, Quinton Patton, and John Brown are listed as being on NFL rosters, but don't actually appear on those rosters.
Johnathon Joseph, Paul Worrilow, Sylvester Williams, and John Brown signed free agent deals for different teams, but that only leaves 9 alums under contract in the NFL right now.