North Carolina State quarterback Grayson McCall said Wednesday night that he is retiring from football after his latest head injury.McCall sustained two concussions this season and hasn’t played since being carted off the field against Wake Forest on Oct. 5. His helmet flew off from the hit and he was briefly unconscious before taken to a hospital for evaluation. He was released later that night.Last season, while playing for Coastal Carolina, McCall sustained a season-ending concussion in an Oct. 21 game at Arkansas State. On that occasion, he was taken off the field via ambulance and hospitalized overnight.”Unfortunately, my dream has been cut just short,” McCall wrote on Instagram. “As you all know, I have battled injuries my whole career, but this is one that I cannot come back from.”I have done everything I can to continue, but this is where the good Lord has called me to serve in a different space. Brain specialists, my family, and I have come to the conclusion that it is in my best interest to hang the cleats up.”McCall was a three-time Sun Belt Player of the Year at Coastal Carolina before transferring to the Wolfpack after last season.