The Oakland Raiders will sign Jon Gruden to a 10-year deal approaching $100 million, which will be the longest coaching contract in NFL history.

The Raiders have called a significant news conference for Tuesday, at which time they will introduce Gruden as the team's next coach.

Gruden was head coach of the Raiders from 1998 until 2001 when he was traded to the Buccaneers.

The date of the official announcement was first reported by RaidersSnakepit.com.

Gruden appeared on Monday Night Football since 2009.