He participated in a fan fest Oct. 9 and missed practice Oct. 10 , when he underwent testing and doctors diagnosed the concussion .
Alexander Radulov Hoceky Jersey headache Oct. 8 and did not play in Pittsburgh 's final preseason game .
Alexander Radulov Hoceky Jersey participated in a fan fest Oct. 9 and missed practice Oct. 10 , when Alexander Radulov Hoceky Jersey underwent testing and doctors diagnosed the concussion .
Alexander Radulov Hoceky Jersey headache Oct. 8 and did not play in Pittsburgh 's final preseason game .