CB K’Waun Williams
Williams was the sixth highest-graded 49ers defender last season, and he tied for the team lead with two interceptions. It wasn’t just the 2019 campaign where he was good though. “The only two qualifying cornerbacks with a better overall grade in the slot than Williams since 2014 are Chris Harris Jr. and Desmond King II,” according to Pro Football Focus. While Richard Sherman gets a lot of deserved credit for his impact on the boundary, Williams’ play in the slot had an equally large effect on the 49ers’ No. 1-ranked pass defense.