By Nick Mac View the original article to see embedded media. They say that age is just a number. For NBA players, their entire career is a battle against time and that number. Most NBA players start to see a decline on the court around their mid to late 30s unless your name is LeBron James. Some defy the laws of aging and then some look older, play older, or just carry themselves older than they are. That is what the players on today’s list have in common. In one way or another, they appear to be way younger than reality. There are several reasons this can occur. The obvious reason is physical…