Aaron Rodgers will be the third starting Super Bowl quarterback from UC Berkeley. Only Alabama, Notre Dame, and Purdue have had as many. Next on the list with two starting QBs are UCLA, BYU, Maryland, Stanford, and Washington State. Just for fun, think of how many QBs you can name from each school, and then check the link to see how you did!
Oh, by the way, a certain other school does not appear in the article.