A look at how the 17-player rookie class — the 49ers agreed to deals with six undrafted players — fits into the 90-man offseason roster.

One of the positions that was heavily mocked for the 49ers with the 11th pick in the NFL draft was an offensive tackle. Instead, they went with the predictable position by drafting a defensive end, Mykel Williams,

Nick Bosa and Fred Warner will lead a revamped 49ers defense that welcomes in six draft picks and three undrafted free agents.