With the NFL draft over, the team is focused on building out its winning depth chart through the upcoming practice sessions and training camp. This makes it a good time to review each depth chart and see where the team might be lacking in certain areas. What does the defensive tackle depth chart look like? San Francisco 49ers post-draft defensive tackle depth chart Alfred Collins Collins is expected to start in Week 1 after being eased into the mix last year. The stats are never going to show for Collins because he is a space-eating nose tackle on most snaps, but he had a good rookie season. Osa Odighizuwa The 49ers traded for Odighizuwa this offseason. He is perfect for what they need to complement Collins. He is faster, undersized, and shoots gap, where Collins is bigger, slower, and frees up the space.  CJ West  West is more suited to be a backup to Collins than he is to be a backup to Odighizwua.…