This sure looks like Texas' Hook Em sign from Oregon's Darron Thomas*. After the Pac-12 Championship, Thomas threw the hand signal on camera, and it seems a little bit odd all things considered. Also, nice work by the guy in the background videobombing the interview with the 'O'.â†µ
Either he's trolling Texas or totally transferring there!â†µ
*Or it could be for Houston or some other random thing we don't understand.