More than 800 sports-related concussions occur in the United States each day, sometimes involving high-profile athletes whose injuries reach public awareness through sports broadcasts and news media. Although nonphysicians are often present and relied upon for the detection of concussion in the sports setting, the proper diagnosis and management of this neurological problem require a physician's thoughtful attention to the athlete's signs and symptoms. This article offers a diagnostic protocol and treatment recommendations as well as a useful grading scale and management strategy for return to competition.