One bettor won more than a half-million dollars by hitting an insane parlay during Championship Sunday in the NFL. The lucky winner turned their $20 site credit on FanDuel into $579,000 by correctly guessing the winners and exact score of both conference championship games. There's 55 555. There's just 55 555.

The Betfair Exchange connects you with punters all over the world to put up your own odds and place bets. With no interference from a bookmaker, the Betfair Exchange invites a real community to interact directly with the odds and control the market, meaning better odds and better value for you.