Since blogging is like talk radio, you would expect sports blogs to be a big part of the phenomenon. But the number of regularly updated and quality sports blogs is surprisingly few. More in this article. One counterexample:
http://bostonmedia.blogspot.com/

Here's a fascinating article from the Trib a few months ago on the juxtaposition of NBA stars and button-down Moody Bible Institute students, brought together by basketball, from my file site:
...2002_07_21_nbiermafile_archive.html#79410611