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 gives a final preview of the SF/Arizona matchup tonight which could end the Cardinals playoff hopes with a loss. Also, Golden Tate got benched by the Lions, are his skills declining already?