Cardinal Athletics Louisville #1 fan base? L-Yeah! Posted on May 29, 2013May 29, 2013 by Jeremy Wahman Hot off the heels of The Cards 3rd National Championship, the Cards have attained another #1 ranking. The #1 fan base in America. Check below to see the full poll and notice where our “big brothers” are on the list. GO Cards! Share this:TwitterFacebookEmailLinkedInLike this:Like Loading...