Miami Dolphins running back Alexander Mattison (head) was taken to the locker room after suffering a possible head and neck injury during Miami's first preseason game against the Chicago Bears. The 27-year-old running back got spun around on a 21-yard reception, landing directly on his head as he was tackled into the turf. Mattison recorded three rushes for eight yards and a touchdown, along with the one 21-yard reception before his exit. Now in his sixth season, Mattison spent five years with ...