On the court, LeBron James has earned four NBA MVP awards, four NBA championships, and 18 All-Star nods in his illustrious 19-year career. That stacked résumé has paid off big time – after agreeing to a two-year, US$97 million contract extension with the Lakers, he is set to become the highest-paid player of all time . He is equally relentless off the court, signing a lifetime endorsement deal with Nike worth more than US$1 billion – a move that was so big it is more like the merger of two corporations. As a result of his success on and off...