Coming off a 6-11 season, the had money to spend and a roster to turn over entering the offseason, and general manager Ran Carthon did not me s around.After the head coach Mike Vrabel and the hiring of new head coach Brian Callahan, the Titans went on to upgrade at several positions.Most importantly, Tenne see beefed up its offense to put second-year quarterback Will Levis in a better position...