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The NFL Was Weird Last Season

The 2019 NFL season will be remembered for a host of unusual storylines. Early in the season, New York Jets quarterback Sam Darnold came down with mononucleosis and missed the next three games to sickness and concerns about a swollen spleen. Shortly after he returned, as New York was trounced 33-0 by the Patriots in […]

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How Our New NFL Model Did This Season

Quarterbacks ruled the 2019 NFL season, with Patrick Mahomes bringing the Lombardi Trophy to Kansas City and Lamar Jackson emerging as the league MVP. Quarterbacks were in control of the FiveThirtyEight prediction model, too, as a key factor of the new version of our Elo rating system, which adjusted for the performance of every starting […]

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What A 95 Percent Chance To Win The Super Bowl Actually Means

With a little less than eight minutes left in the fourth quarter of Sunday’s Super Bowl, Patrick Mahomes and the Kansas City Chiefs found themselves down by 10 points — and ESPN’s win probability model gave the San Francisco 49ers a 95 percent chance of winning the game. So was the fact that the Chiefs […]

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The Chiefs Were On Their Way To A Loss. Then Patrick Mahomes Turned It On.

For three-plus quarters during Sunday’s Super Bowl LIV, Patrick Mahomes looked mortal, uncharacteristically missing on throws he usually completes. As the fourth quarter began, and the Chiefs drove to the 23-yard line of the San Francisco 49ers, their quarterback was picked off by Tarvarius Moore — Mahomes’s second interception of the day, just the fourth […]

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