Defense Depth Chart as it currently stands pre-draft

DEFENSE DEPTH CHART
LDT -- Ray McDonald, Will Tukuafu
NT -- Glenn Dorsey, Ian Williams, Lamar Divens
RDT -- Justin Smith, Demarcus Dobbs, Tony Jerod-Eddie
LOLB -- Ahmad Brooks, Parys Haralson, Cam Johnson
ILB -- NaVorro Bowman, Dan Skuta
ILB -- Patrick Willis, Michael Wilhoite, Nate Stupar
ROLB -- Aldon Smith, Parys Haralson, Darius Fleming
LCB -- Carlos Rogers, Nnamdi Asomugha, Perrish Cox
RCB -- Tarell Brown, Chris Culliver, Tramaine Brock
FS -- Craig Dahl, C.J. Spillman, Michael Thomas
SS -- Donte Whitner, Trenton Robinson, Darcel McBath

SPECIAL TEAMS DEPTH CHART
Punt return -- Kyle Williams, Perrish Cox, LaMichael James
Kickoff return -- LaMichael James, Kendall Hunter, Kyle Williams, Ricardo Lockette
Punter -- Andy Lee
Kicker -- Phil Dawson
Holder -- Andy Lee
Long snapper -- Brian Jennings