The Facts: Via multiple reporters on the San Francisco beat, head coach Kyle Shanahan said on Thursday that Mitchell has an abductor strain and will likely be out for about a week.

Diehards Line: A sixth-round pick in 2021, Mitchell was limited to five games last year due to injury. He finished the season with 279 yards with a pair of touchdowns. As a rookie, Mitchell rushed for 953 yards with five touchdowns in 11 games. The 49ers also have Christian McCaffrey, Jordan Mason, Ronald Awatt, Khalan Laborn, and Tyrion Davis-Price on their roster at running back. ... We'll continue to watch for more.