Just three years after BYU's national championship (in the glory days of QB U)....Scott Mitchell (Utah County product, Lifelong Cougar fan, attended BYU games growing up, cousin to Lavell Edwards) chose Utah over BYU. http://www.ldschurchnewsarchive.com/articles/17836/Wifes-conversion-gives-athlete-insight-into-whats-important.html

It has happened in the past. Will happen in the future. Keeping this in mind will give you peace: Recruiting is cyclical (not "trending" as our yewt friends would like you to believe), many times specific-situation based, and somewhat founded upon the emotions of a teenager (which are always subject to change with the hormonal winds of adolescence). Have a good day