Cam Newton quotes Vince Lombardi while defending 'sore loser' Super Bowl news conference

Like Tom Petty and the Heartbreakers, Carolina Panthers quarterback Cam Newton won't back down from his handling of the controversial post-Super Bowl news conference on Sunday, when he gave perfunctory responses and walked off after about three minutes.

"I've been on record to say I'm a sore loser," Newton said. "Who likes to lose? You show me a good loser and I'm going to show you a loser.

Newton borrowed the last portion of that remark from Lombardi.

If anyone is still expecting an about-face from Cam (for which his walk-off is at least partly explained by his proximity to jubilant Broncos at the time), well, don't. Here's some more of Cam's own words: