Today marks Brooklyn Nets guard Joe Johnson's 33rd birthday. One of the better guards in the league, Johnson has managed to be successful for the past few seasons with the Atlanta Hawks and now the Nets despite one major flaw. He might be one of the most boring athletes to ever lace them up. He's not alone either. There are other NBA players with less than optimal personality like Tim Duncan and Jeremy Lin, and guys from other major sports like Roger Federer and Michael Phelps. Despite some immense talent, these guys weren't blessed with the it factor you see in some of the best athletes. We decided to compile a list of all of the current athletes in sports today that fit the bill. Try to enjoy the 15 Most Boring Athletes in Sports Today.