Rookie Elijah Mitchell, a sixth-round draft pick, replaced Mostert in Sunday's game and rushed for 104 yards and a touchdown on 19 carries. The team's other rookie running back and a third-round draft pick, Trey Sermon, was inactive. JaMycal Hasty had one carry for three yards and a touchdown.
The Chicago Bears signed Pierce (5-11, 208) as an undrafted free agent out of Oregon State in 2020. He carried the football six times for 34 yards with a rushing touchdown through five games last season.
Chicago waived Pierce on August 31 but re-signed him to its practice squad. He was released on September 8.
More San Francisco 49ers News
-
49ers vs. Seahawks final injury report: Fred Warner among two ruled out for playoff game
The San Francisco 49ers are preparing for their Divisional Round playoff contest against the Seattle Seahawks on Saturday at Lumen Field in Seattle, Washington. Both teams have released their official injury reports, which are provided below. San Francisco 49ers Out S... -
49ers knock out Eagles: Rapid reactions
I did not believe the San Francisco 49ers defense would be able to slow down the Philadelphia Eagles offense. I was wrong. The defense allowed only 19 points and came up big in the end, keeping the Eagles out of the endzone to seal the 23-19 win. There were plenty of unlikely... -
49ers' Fred Warner sits out final practice ahead of Seahawks playoff game
San Francisco 49ers linebacker Fred Warner was not seen participating in Thursday's practice as the team continued preparations for Saturday night's NFC playoff matchup against the Seattle Seahawks. Warner returned to the practice field on Wednesday as he works his way back... -
49ers mailbag: Was Kendricks, Sigle, and Wallow an upgrade? Who is TE1 with Kittle out? Will Fred Warner play on Saturday?
The San Francisco 49ers are working on another short week as they prepare to face the Seattle Seahawks in the Divisional Round of the NFC Playoffs. The opponent is familiar, so there won't be a lot to learn. But the rest factor is an issue. The 49ers will be at a significant...