https://www.teamusa.org/nutrition
FIFA 11+ Manual
Cristiano Ronaldo Injury
An ESPN Soccer article about how lucky Real Madrid’s Cristiano Ronaldo and how he came close to a more serious injury.
http://www.espn.com/soccer/real-madrid/story/3357399/real-madrid-show-cristiano-ronaldos-cut-face-was-a-close-call
Sport Concussion Assessment Tool – 3rd edition
http://content.prosoccerchiros.com/wp-content/uploads/2017/12/SCAT3.pdf