Former Titans cornerback Denard Walker and All Titans at SI.com reporters John Glennon and David Boclair take a close look at the initial 53-man roster. Three undrafted rookies made it. Four players drafted in the last three years did not. The offensive line looks to be a work in progress. The wide receiver group looks like it needs reinforcement. The safeties are a different group than what was expected at the start of camp. How does it all fit together and what does it mean for the 2022 season-opener against the New York Giants, which is now fewer than two weeks away, and what types of alterations are likely between now and then?