Getty LeBron James and Cristiano Ronaldo are two names that define modern greatness. Both men turned 40 this year, both remain dominant, and both symbolize what longevity looks like at the highest level of sport. Still, even between two global icons, there’s always room for a little friendly banter. During a wide-ranging interview with Piers Morgan , Ronaldo opened up about his fitness regimen, his mindset at 40, and the few athletes he looks to for inspiration, per The Big Lead. When asked who