Tennessee Titans running back Tyjae Spears (concussion) is officially in the league's concussion protocol after suffering a head injury in the Week 11 loss to the Minnesota Vikings on Sunday.

T ennessee Titans running back Tyjae Spears avoided the injury report for the first time since Week 6 and will take on the Vikings in Week 11 action. Spears missed Weeks 7-9 with a hamstring ...