Dobbins (knee) was placed on injured reserve Saturday, Tom Pelissero of NFL Network reports.

Dobbins (knee) has been ruled out for Sunday's game against the Falcons.

Head coach Jim Harbaugh noted Wednesday that Dobbins is "working through something with his knee," while adding that he expects the running back to "miss some time," Eric Smith of the Chargers' official site reports.

Dobbins is tending to an MCL sprain in his left knee and is expected to sit out Sunday's game against the Falcons, Adam Schefter of ESPN reports. He'll be viewed as week-to-week following Sunday's contest.

Dobbins sustained a knee sprain in Monday's 30-23 loss to the Ravens and is likely to miss the Chargers' Week 13 game Sunday versus the Falcons, Ian Rapoport of NFL Network reports.

Dobbins rushed 14 times for 85 yards and two touchdowns and brought in both targets for 20 yards in the Chargers' 27-10 win over the Browns on Sunday.

Dobbins carried the ball 15 times for 44 yards and also caught all three of his targets for 10 yards in the 20-10 loss to the Chargers on Sunday.

Dobbins rushed 17 times for 131 yards and a touchdown and brought in his only target for no gain in the Chargers' 26-3 win over the Panthers on Sunday.

Dobbins tallied 10 carries for 135 yards and a touchdown in Sunday's 22-10 win over the Raiders. He also caught all three of his targets for four yards.

Dobbins looked healthy in training camp heading into Sunday's season opener against the Raiders, Daniel Popper of The Athletic reports.