The Tennessee Titans are in a fun spot. They have an exciting young quarterback, solid starters at key pieces, and seemingly improved the depth after this offseason's free agency and draft. As a result, there are many names on this roster who weren't on it last year. We're still a few months away from Week 1, but we have a good idea of what the final roster could look like. Today, let's go over the revamped roster and rank each position group. Defensive line Key Contributors: Jeffery Simmons, John Franklin-Myers, Jermaine Johnson II, Femi Oladejo, Keldric Faulk, Solomon Thomas It's obvious that the defensive line is the deepest and most talented position group on this roster. Simmons and Franklin-Myers have a case to be the best defensive tackle duo in the entire league, and Johnson should greatly help the pass rush on the outside. Oladejo has yet to prove himself, and Faulk is a rookie, but there's reason to be excited regardless. Plus, veteran Solomon Thomas is around to help out.…