Colts, NFL aware of Pats' prior use of underinflated footballs
Tom Brady: I did not alter the footballs
NFL investigating whether Patriots used under-inflated game balls
NFL finds that Patriots used deflated footballs: report
NFL examining whether Patriots used under-inflated game balls - Los Angeles Times
Deflategate: NFL Investigation Says New England Patriots Deflated Balls
NFL investigating whether Patriots deflated footballs used in AFC title win
NFL finds Patriots probably deflated balls
Patriots Drag the N.F.L. Back Into Turbulence - The New York Times
NFL: Footballs underinflated in Patriots vs. Colts game
The Patriots are under investigation for deflating footballs during AFC Championship game
NFL still investigating Patriots' deflated footballs
New England Patriots under investigation by NFL after reports that 11 balls were not properly inflated
NFL: Patriots, Brady may be culpable in Deflategate - West Central Tribune