1. He's a warrior!
When NBC's Olympic coverage began this Thursday, Costas was battling a noticeable eye infection that rendered him unable to put in his contact lenses. But Bob wasn't going to let a measly eye infection stop him from delivering the goods. Why? Because champions play hurt.
2. He can do it all.
Name a sport and he's probably announced it. From the NFL to the Kentucky Derby, baseball, basketball, college football, and the Olympics, Costas has done it all.