Castillo typically has his players on the field before the rest of the position groups and keeps the younger ones out there after the rest of the players have gone into the locker room .
Castillo is the Ravens ' veteran offensive line coach .
Castillo , the Ravens ' veteran offensive line coach , typically has his players on the field before the rest of the position groups and keeps the younger ones out there after the rest of the players have gone into the locker room .