Detroit Lions quarterback Matthew Stafford (9) is sacked by San Francisco 49ers outside linebacker Ahmad Brooks (55) as nose tackle Ian Williams (93) assists during the second half of an NFL football game, Sunday, Dec. 27, 2015, in Detroit.
Detroit Lions quarterback Matthew Stafford (9) is sacked by San Francisco 49ers outside linebacker Ahmad Brooks (55) as nose tackle Ian Williams (93) assists during the second half of an NFL football game, Sunday, Dec. 27, 2015, in Detroit. Duane Burleson AP
Detroit Lions quarterback Matthew Stafford (9) is sacked by San Francisco 49ers outside linebacker Ahmad Brooks (55) as nose tackle Ian Williams (93) assists during the second half of an NFL football game, Sunday, Dec. 27, 2015, in Detroit. Duane Burleson AP
49ers with Matt Barrows

49ers with Matt Barrows

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49ers agree to new deal with Ian Williams; Alex Boone to Vikings

March 09, 2016 06:26 AM