Elite athletes are competing longer and at a higher level than ever before. LeBron James and Lindsey Vonn just turned 40, and Portuguese soccer star Cristiano Ronaldo turns 40 next week.

LeBron James and Lindsey Vonn just turned 40, and Portuguese soccer star Cristiano Ronaldo turns 40 next week on Feb. 5. It ...

The St. Louis Cardinals are gearing up for a youth movement this season, but that doesn't mean every young player will get ...