ACL and meniscal injuries increase the risk of primary total knee replacement for osteoarthritis: a matched case-control study using the Clinical Practice Research Datalink (CPRD)
Epidemiology and return to play following isolated syndesmotic injuries of the ankle: a prospective cohort study of 3677 male professional footballers in the UEFA Elite Club Injury Study
Head injuries in professional male football (soccer) over 13 years: 29% lower incidence rates after a rule change (red card)
Is unintentional doping real, or just an excuse?
On average, a professional rugby union player is more likely than not to sustain a concussion after 25 matches