It's no secret that No. 13 is historically viewed as unlucky or, in extreme cases, cursed. The fear of 13 is so common, there's even a term for it: triskaidekaphobia. In the sports world, though, a few brave players have embraced the number.
Today's athletes know Dr. Martin Luther King Jr. as an idea rather than as a man. But that doesn't mean his message has been lost.
LeBron overlooks a thing or two when he says the NBA should retire Michael Jordan's No. 23. Like Jackie Robinson. And American history. King James should know better.
A daily glance inside the numbers from the world of sports.