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Jan 23, 2015 3:27 AM

AP Video: Former NFL quarterback talks deflated footballs

The Associated Press

RENTON, Wash. (AP) The NFL is investigating whether the New England Patriots used underinflated footballs during their AFC championship game victory over the Indianapolis Colts. But what advantages does a deflated football hold for a team? Former NFL quarterback Hugh Millen, who played two seasons for the New England Patriots and now helps designs footballs for manufacturer Baden in Washington state, explains.


NFL rules mandate that a ball must be inflated between 12.5 and 13.5 pounds per square inch. But a football deflated a couple of pounds below the range is softer, allowing for better grip, Millen said.

"If you're going to be challenged to handle the ball in either very cold conditions or wet conditions, then having the ability to grab the ball and squeeze it, you're going to have more of a chance to remain in contact with the ball," he said.

Deflated balls could also mean faster balls thrown by quarterbacks. Because of the softer grip, the index finger remains on the football a tad longer, allowing for faster spirals during a throw, especially for quarterbacks who like to keep their fingers on the seams, Millen said.

"We know from having put a football in wind tunnels, the faster the ball rotates, the more it cuts through the air. It has less drag, therefore more velocity on the ball," he said, adding later, "most quarterbacks like to have less air than more air."


Referees inspect game balls about two hours before the game, checking the air pressure among other standards. NFL guidelines are clear: a football cannot be tampered after the pre-game inspection.

While veteran officials could probably feel a difference between a properly inflated ball and a deflated one, referees aren't thinking about ball air pressure during the game since they've already checked them, Millen said. They're busy trying to move the game along.

"If they're not of a mindset to check the ball, they're not engaging their senses," Millen said, adding that some may be wearing gloves.


In his years in the NFL, Millen said it was common for quarterbacks to ask for balls to be deflated, within the league's acceptable range, if the footballs felt too hard for their preference. It takes just a couple of seconds to lose 2 pounds of air pressure after inserting a needle. A team equipment staffer could have been careless.

"I've seen somebody say, 'Hey, stick a needle in there for a second just to get the air right,'" Millen said.

Another possible reason: footballs can sometimes leak air. Millen said all football manufacturers produce balls that lose air pressure without tampering. But he adds that would be an easy possibility to test.


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