No one knows more about the NFL than "The Professor" John Clayton. A ubiquitous presence on ESPN, he's an analyst, commentator, and human database of all things football. Get the latest lowdown on the league live every weekday at 4pm on 710 ESPN Seattle.
John Clayton joins the show from just down the road at the NFL owner's meetings in Phoenix. He explains why the NFL banned jumping over the line of scrimmage on FG and PAT attempts and what Brandon Marshall said to the owners today.