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 bet slip is where you build your bet before placing it. When you add at least one selection to the bet slip, all available bet types will be displayed there as well as the latest odds and lines for your selection.