The Oakland Raiders will sign Jon Gruden to one of the longest coaching deals in NFL history -- a 10-year contract likely approaching $100 million -- when it is made official Tuesday, sources told ESPN's Adam Schefter on Friday. The length of Gruden's contract is not unprecedented. The Cowboys gave Jimmy Johnson (in 1989) and Tom Landry (in 1964) 10-year deals as well. The Raiders have called a significant news conference for Tuesday, at which time they will introduce Gruden as the team's next coach, a league source confirmed to ESPN. read more http://www.espn.com/nfl/story/_/id/21970861/oakland-raiders-introduce-jon-gruden-new-coach-tuesday