That's USC tight end Junior Pomee, who doesn't normally tackle with a, shall we say, dirty hit on a Cal football player? He did get a penalty for this helmet-to-helmet collision, called "targeting."
Kids at home: watch this, do the opposite.
Check the national college football scoreboard right here, and look through SB Nation's many excellent college football blogs to find your team's community.
While we’re here, let’s watch some of the many fine college football videos from SB Nation’s YouTube channel: