Bengals' Joe Mixon has not cleared concussion protocol, reportedly a long shot to play Week 13 vs. Chiefs | CBS Sports Headlines Bengals' Joe Mixon has not cleared concussion protocol, reportedly a long shot to play Week 13 vs. Chiefs It could be Samaje Perine again for Cincy ESN FeedsThis … Continue reading Bengals' Joe Mixon has not cleared concussion protocol, reportedly a long shot to play Week 13 vs. Chiefs