'Deflate-Gate' Explained With Animated Stick Figures

It's not all hot air -- or is it?

“On cold days, a fully inflated ball is ... hard as a brick,” he said, “Having a softer ball would allow the quarterback to throw more accurately in a tighter spiral and make it easier for the receiver to catch.”

If a quarterback has small hands, a mushier ball would offer even more of an edge in the rain, making it easier for him to grip, Jung added.