The 49ers released their first unofficial depth chart of training camp for the exhibition opener on Thursday evening against the Baltimore Ravens.
At least four starters -- Michael Crabtree, Anthony Davis, Ray McDonald and Justin Smith -- are not expected to suit up for the game due to injuries.
Nose tackle Glenn Dorsey is questionable after sustaining an arm injury in practice Friday. He was expected to undergo further examination on Saturday to determine the extent of his injury.
Here is the 49ers’ depth chart:
Wide receiver: Anquan Boldin, Stevie Johnson, Devon Wylie, Chuck Jacobs, Bruce Ellington
Left tackle: Joe Staley, Carter Bykowski
Left guard: Mike Iupati, Al Netter
Center: Daniel Kilgore, Marcus Martin, Dillon Farrell
Right guard: Joe Looney, Adam Snyder, Michael Philipp
Right tackle: *Anthony Davis, Jonathan Martin, Ryan Seymour
Tight end: Vernon Davis, Vance McDonald, Derek Carrier, Asante Cleveland, Kevin Greene
Wide receiver: *Michael Crabtree, *Brandon Lloyd, Quinton Patton, Jon Baldwin, Kassim Osgood, David Reed
Fullback: Bruce Miller, Will Tukuafu
Running back: Frank Gore, Carlos Hyde, Jewel Hampton, Alfonso Smith, (*LaMichael James), (*Kendall Hunter)
Quarterback: Colin Kaepernick, Blaine Gabbert, Josh Johnson, McLeod Bethel-Thompson
Left defensive tackle: *Ray McDonald, Tony Jerod-Eddie, Tank Carradine
Nose tackle: Glenn Dorsey, Quinton Dial, Mike Purcell
Right defensive tackle: *Justin Smith, Demarcus Dobbs, Lawrence Okoye
Outside linebacker: Ahmad Brooks, Corey Lemonier, Chase Thomas
Inside linebacker: Michael Wilhoite, Nick Moody, Blake Costanzo
Inside linebacker: Patrick Willis, Chris Borland, Shayne Skov
Outside linebacker: Aldon Smith, Dan Skuta, Aaron Lynch
Left cornerback: Tramaine Brock, Chris Cook, Darryl Morris
Right cornerback: Chris Culliver, Perrish Cox, Dontae Johnson, Kenneth Acker
Free safety: Eric Reid, Jimmie Ward, C.J. Spillman, James McCray
Strong safety: Antoine Bethea, Craig Dahl, Bubba Ventrone, D.J. Campbell
Punter: Andy Lee, Colton Schmidt
Kicker: Phil Dawson, Colton Schmidt
Holder: Andy Lee
Punt return: Perrish Cox, Bruce Ellington
Kick return: Perrish Cox, Carlos Hyde
Long snapper: Kevin McDermott, Kyle Nelson
*-Not expected to play Thursday against the Baltimore Ravens due to injury
Physically unable to perform: LB NaVorro Bowman (knee), NT Ian Williams (lower leg), TE Garrett Celek (back), DL Kaleb Ramsey (NA).
Non-football injury: RB Marcus Lattimore (knee/hamstring), FB Trey Millard (knee), CB Keith Reaser (knee) and G Brandon Thomas (knee).
Reserve/did not report: RG Alex Boone (contract holdout).