San Francisco 49ers OG Josh Garnett (toe), CB Richard Sherman (calf) and SS Jaquiski Tartt (shoulder) did not participate in practice Thursday, Sept. 27. S Adrian Colbert (hip), OG Mike Person (knee) and RB Alfred Morris (knee) were limited, while CB Ahkello Witherspoon (ankle, hip) and OT Joe Staley (non-injury) practiced in full.