Aged 39 and about to play in a record-extending sixth European Championship, Cristiano Ronaldo's longevity at soccer's highest levels almost defies belief. Luka Modric, at 38, continues to perform for Real Madrid and is expected to provide the X Factor for Croatia at the Euros in Germany starting June 14.
The trend of top players extending their careers despite the increased pace and intensity of the modern game is becoming more prevalent. This is attributed to higher levels of fitness and stamina demanded of athletes, coupled with advancements in sports science that optimize performance.
