The Lions were interested in Butler as a No. 2 cornerback, but after he chose the Titans, they reached agreement on a two-year, $10.3 million contract with their No. 2 cornerback from last season, Nevin Lawson, per Jason La Canfora.
Now he reportedly will join another former Patriots player, Mike Vrabel, who is the new head coach of the Titans. Last season Lewis posted 896 yards and six touchdowns on the ground with 214 yards and three touchdowns receiving.
Butler was relatively unknown before his Super Bowl-clinching interception against the Seattle Seahawks back in 2015. While Butler played in 97.8 percent of the team's regular-season snaps and every postseason snap, he played just one snap, which was on special teams, during the Super Bowl. Other teams, such as the Detroit Lions, also were hot on Butler's trail in free agency.
Butler was also part of the Patriots' Super Bowl LI 34-28 overtime victory against the Atlanta Falcons.
The New Orleans Saints pursued Butler as a restricted free agent previous year, but the trade price was too high.
Malcolm Butler is about to become a rich man in new surroundings around familiar faces. There's another $3 million via incentives. The two spent two-plus seasons together with New England.
General manager Jon Robinson, hired in January 2016, got his National Football League start as a New England scout. For the first time in his career, he played all 16 games and had his most productive year.
The Titans ranked 13th in total defense and improved slightly against the pass, giving up 239.3 yards through the air to move from 30th in 2016 to 25th overall.