This site is so cool that even the advertising is interesting. Each page can be sponsored by someone for a fee that varies based on how many views that page generates. For example, the 1986 Yankees page costs $15, while the Bob Feller player page costs $55. Championship years for teams are, of course, in demand. I couldn't find any World Series teams that weren't sponsored. Same with some who just missed, like the 1986 Astros and the 1978 Red Sox.

And some of the sponsorships are fairly entertaining in themselves, like the tribute to Luis Sojo's seeing-eyed grounder to win the World Series for the 2000 Yankees. The 1918 Red Sox page promises that "there will be another." Don't be so sure, there, Sully.

One of the great, new features is a history of each team's pitching staff, perfect for those who can barely remember that Steve Farr was the Yankees' closer for three long years, or that the most common Mets starters since they started stinking up the joint in 1962 have been Seaver, Koosman, Gooden, Fernandez and Darling.

Cool stuff from a site that's smart about how it generates income — by doing so without ruining the user experience.