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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.

Our computer model analyzes every bet, every day to find mispriced lines. The model projects team performance and takes into account player performance, matchups, weather and injuries. From there, we set our own line, compare it with vegas and assign a star rating to each game.