Even if you don't like baseball (and you should, it's a beautiful sport) you should go visit this graphic by the New York Times.
Mariano Rivera is a Hall-of-Fame pitcher for a reason, and this is a really clear look at why he is so good at getting hitters out. Besides the coolness of the baseball knowledge, this caught my eye because it is an interesting blend of interactive graphic and a video. It's a creative method of communicating a unique set of information.
If anybody invents a time machine and would like to take me back to teach 8 year old Jeff how to throw a cutter, that'd be great!