Be sure to check out 44th & Goal, a blog run by Bowen Hobbs. It includes some pretty neat stuff about sports logos and uniforms. One of my favorite parts in the concepts. There are concepts from various sports and leagues, all of which are very well done. I would highly recommend you take the time to check it out. The link is under my "Other Cool Sites to Check Out" section.
Bowen Hobbs recently did an awesome Nebraska football concept and posted it on his blog. I think it looks great! The screen grab is posted above.