Former BYU stars like Jamaal Williams, Sione Takitaki, and Michael Davis have enjoyed successful NFL careers. But with NFL training camps in full swing their names don't appear on rosters, causing us to ask if this is the end of the professional careers.

While a host of former BYU Cougars like defensive end Tyler Batty, cornerback Jakob Robinson, tackle Caleb Etienne, and wide receiver Darius Lassiter are just beginning their NFL careers this year, five others may be facing the end of their NFL careers.