Summoned to the league office in 2011 over criticism of officiating, Jon Gruden refused to go

The recent ESPN article regarding the connection between the Jon Gruden emails and Daniel Snyder's essentially forced sale of the Commanders delved into the animosity between Gruden and the league office. It started during his first stint with the Raiders, and it grew over the years.The fact that he worked directly for the late Al Davis didn't help matters. Davis had long been an irritant to the league, suing his partners for antitrust and believing there was a persistent bias against the Silve