Catches two passes in loss
Johnston caught two of his six targets for 17 yards in Sunday's 26-14 loss to the Cardinals.
Johnston was unable to capture 66 percent of his targets, failing to show up even after No. 1 wide receiver Ladd McConkey (chest) exited the game with a chest injury. Johnston also took a costly false start penalty in the fourth quarter, which cannot be good for the wide receiver's chemistry with quarterback Justin Herbert.
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Omarion Hampton
Quiet after first-half TD
Hampton rushed 12 times for 43 yards and a touchdown and lost a fumble in the Chargers' 26-14 loss to the Cardinals on Sunday.
Ladd McConkey
No update on chest injury after loss
Head coach Jim Harbaugh didn't have a postgame update on McConkey (chest), who exited in the second half of Sunday's 26-14 loss to the Cardinals, Kris Rhim of ESPN.com reports.
Ladd McConkey
Questionable to return Sunday
McConkey is questionable to return to Sunday's game against Arizona due to a chest injury.
Keaton Mitchell
Cleared from injury report
Mitchell (hamstring) was a full participant in Friday's practice and does not have an injury designation for Sunday's game against the Cardinals.
Keaton Mitchell
Stays limited in practice
Mitchell (hamstring) was a limited participant in Thursday's practice.
Cameron Dicker
Fades Wednesday's injury report
Dicker (undisclosed) was not listed on Wednesday's injury report.
Tre' Harris
Fully healthy for Week 1
Harris (undisclosed) is not listed on the Week 1 injury report Wednesday.
Keaton Mitchell
Limited Wednesday
Mitchell (hamstring) was limited in Wednesday's practice.
Keaton Mitchell
Returns to practice Monday
Mitchell (undisclosed) returned to practice Monday, Kris Rhim of ESPN.com reports.
Keaton Mitchell
Remains out of practice Thursday
Mitchell (undisclosed) remained a non-participant in Thursday's practice, Kris Rhim of ESPN.com reports.