C Ronaldo and James' sneaker contracts are almost as big as one billion dollars. 20 16 1 1 In June, Ronaldo signed a lifetime contract with Nike, and he became the third athlete to sign a lifetime contract with Nike after Jordan and LeBron James. The value of his contract is similar to that of lebron james, both of which are about one billion dollars. Cristiano ronaldo is a football player and a superstar in football. Lebron james is a basketball player. They are all leaders in their respective fields.