He was from the Pacific Northwest, and definitely had some Pac-8 loyalties since he used to draw pictures of college football players from the conference. (GO TROGENS.) And while his Washington fandom could be safely assumed, it may be leaned on a little harder when you a.) remember that Michigan shut out Washington by a combined score of 64-0 in two games in the 1950s when Hendrix was growing up, and b.) when you watch him congratulate the USC Trojans on their 10-3 win in the 1970 Rose Bowl.
The only positive in his premature death would be that Jimi did not live to see the Ty Willingham era. (HT: Lego Mario)