Landrum (shoulder) will sit out of Saturday's preseason contest against Seattle, Jack Wang of the Los Angeles Daily News reports.
Landrum is expected to be out for at least another week, so he does have a chance to play in the second preseason game. When he does get healthy again, he'll likely revert to solely special teams duty.
Landrum (undisclosed) did not practice Wednesday, ESPN's Eric D. Williams reports.
It isn't clear what Landrum is tending to or how long he could be out.
Landrum was promoted from the Chargers' practice squad to the active roster on Saturday, Michael Gehlken of the San Diego Union-Tribune reports.
Landrum is set to provide depth at outside linebacker for the Chargers in Atlanta on Sunday while Jerry Attaochu (ankle) is sidelined. Landrum, a rookie out of Jacksonville State, will be making his NFL debut.
|P3||8/26/17||@ LAR||8:00 pm|
|P4||8/31/17||@ SF||10:00 pm|
|1||9/11/17||@ DEN||10:20 pm|
|5||10/8/17||@ NYG||1:00 pm|
|6||10/15/17||@ OAK||4:25 pm|
|8||10/29/17||@ NE||1:00 pm|
|Bye: Week 9|
|10||11/12/17||@ JAC||1:00 pm|
|12||11/23/17||@ DAL||4:30 pm|
|15||12/16/17||@ KC||8:25 pm|
|16||12/24/17||@ NYJ||1:00 pm|