What to know about NFL's Deflategate appeal

On Thursday afternoon, in a majestic courtroom on the 17th floor of the Thurgood Marshall Courthouse in downtown Manhattan, three distinguished judges who hold degrees from Ivy League universities will listen to some of the nation's highest-priced lawyers argue about air pressure in footballs.

The judges of the nation's second-highest court will determine whether U.S. District Judge Richard M. Berman was right or wrong in overturning Tom Brady's four-game suspension at the start of the 2015 season. Brady was suspended by NFL commissioner Roger Goodell for his role in a scheme to lower the pressure in footballs used in a game, for obstructing an investigation into the incident and for…