A big part of professional sports is whether players know when it is time to step away from the game that they love .
Kobe obviously knows that he is not going to improve at this point of his career -- his 20th season in the NBA .
A big part of professional sports is whether players know when it is time to step away from the game that they love , but Kobe obviously knows that he is not going to improve at this point of his career -- his 20th season in the NBA .