The 49ers are looking ahead to the 2016 season, and with the installment of a new regime, the roster can expect significant turnover.
That will start with the list of impending free agents San Francisco has.
The following is a list of the 49ers' free agents, ranked by their grade, according to advanced statistics provider Pro Football Focus.
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Unrestricted free agents (2015 PFF grade)
1. Ian Williams, NT (85.6)
2. Garrett Celek, TE (71.4)
3. Alex Boone, OL (65)
4. Phil Dawson, K (60)
5. Reggie Bush, RB (58.3)
Restricted free agents (2015 PFF grade)
1. Shaun Draughn, RB (59.5)
2. Tony Jerod-Eddie, DT (59.1)
3. Ray-Ray Armstrong, LB (51.7)
4. Michael Wilhoite, LB (33.1)
The 49ers have a total of nine free agents, including five unrestricted free agents, three of which were starters.
Wilhoite, a restricted free agent, also started 12 games for the 49ers this past season, and 16 the year before.
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Williams, 26, an undrafted free agent out of Notre Dame finished as the 49ers' highest graded free agent, including the restricted group.
He tied for fourth on the team in tackles with 65 this past season, while also contributing one sack.
Bush, 30, finished as the lowest-graded unrestricted free agent. And Wilhoite, a 29-year-old inside linebacker, finished as the lowest-graded restricted free agent.
Wide receiver Anquan Boldin is also set to be an unrestricted free agent, but has been omitted from the PFF list.