Five percent of Super Bowl bets are placed on the Raiders

The Oakland Raiders are a big hit in Las Vegas.

Check out this chart tweeted out by ESPN's Darren Rovell.

Oakland beating out the likes of New England and Denver? That's a little strange.

Of course, the Raiders represent a huge return on investment. According to VegasInsider.com, gamblers will win $100 for ever dollar they wager on the Raiders if they win Super Bowl 50.

(h/t Darren Rovell on Twitter)