Bill Albus Dumbledore Belichick

[skinnydog]

That's the only logical explanation. Bill is Dumbledore in a hoody with a magic clipboard. He walks out onto the field and approaches the bag of balls, waves his clipboard and shouts: DEFELATIO and magically 2 psi of air is sucked out of the balls. Simple really.

 

[Wordsmyth]

"Expelliarmus oxygen! Shazam!" Poof. Ten-point-five ounces per ball.