There were four investigations into concussion protocol violations during the 2016 season. (sbnation.com)
«The market is in concussion protocol here,» said Walter Todd, chief investment officer with Greenwood Capital in Greenwood, South Carolina. (cnbc.com)
Harbaugh says the earliest Peters could be out of concussion protocol and be at practice would be Wednesday or Thurs.. (diehardsport.com)