LeBron James was the youngest player on the floor when he made his NBA debut 20 years ago. He’s now the oldest player in the league. The Kid from Akron isn’t a kid anymore, and the 38-year-old enters this season as the NBA’s most senior player. He was only No. 3 on that list last season, behind Udonis Haslem (who played his last game two days shy of turning 43) and Andre Iguodala (who retired at 39).