In this issue of Clinics in Sports Medicine, guest editor Dr. Stephanie Alessi-LaRosa brings her considerable expertise to the topic of Concussion and Head Injuries in Sports. Guidelines for sports-related concussions have changed significantly over the last ten years, and this issue updates sports medicine providers on these new developments, providing a unique perspective through the lens of sports neurologists. It also highlights the multidisciplinary team approach to this highly variable and individualized sports injury through chapters on other systems impacted, including cardiovascular, musculoskeletal and psychiatric.