Knee cartilage damage and concomitant internal derangement on MRI in athletes competing at the Rio de Janeiro 2016 Summer Olympics.

•Cartilage damage is frequently observed on MRI in Olympic Athletes.•Patellofemoral cartilage damage is most common and associated with certain sports including volleyball and weightlifting.•Meniscal tears are associated with localized cartilage damage.•Trend for prevalence of cartilage damage to increase with increasing age of the athlete.