ESPN write up on handshake tradition, mentions the exchange.
http://espn.go.com/blog/big12/post/_/id/36361/should-postgame-handshakes-continueAlso Mack Brown still taking shots at Nubb:
"I’ve been a proponent of not shaking hands after a game for a long time. Some guys don’t like each other," Brown said. "After a game, some guy may have run up a score, some guy gets beat on a last second, no, I have felt a long time, those TV cameras love it because they run right in the face hoping somebody’s going to mess it up."