Mitchell has rib injury

ESPN's Nick Wagoner reports that 49ers RB Elijah Mitchell is "dealing with a rib issue" and will be limited in Wednesday's practice. We'll see about his progress through the week. JaMycal Hasty operated as San Francisco's #2 RB for the 2nd straight game against the Bears. Trey Sermon has been active each of the past 2 weeks but played no offensive snaps.