With the NFL Draft just one day away, you’ll likely hear all about a player’s hand size, or their 40-yard-dash time, or their wingspan…but there’s one measurement that NFL scouts pay more attention to than you might realize…and it’s right behind you. Yes, NFL scouts love big butts, and they cannot lie. But there’s a lot more to it than scouts simply gossiping about gluteals. There’s plenty of science behind why rear ends matter for athletic performance. And ESPN’s Dave Fleming joins us to share the data that can back it up.

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