Jeff Fisher and the St. Louis Rams have reached agreement on a five-year contract, a league source told ESPN NFL Insider Adam Schefter. Fisher will sign the deal Tuesday, according to the source. The Rams have a news conference scheduled for 1 p.m. CT Tuesday to introduce Fisher. League sources have also told ESPN's Schefter that New Orleans Saints defensive coordinator Gregg Williams is expected to join Fisher's staff in the same role. Though the Rams had not confirmed the hire, Saints linebacker Jonathan Vilma tweeted "Gregg williams is a great coach, I wish him luck in st Louis." Read more: http://espn.go.com/nfl/story/_/id/7468904/st-louis-rams-introduce-jeff-fisher-coach-tuesday