49ers RB Marcus Lattimore has informed the team that he intends to retire.
Marcus Lattimore should be able to collect on a $1.7 million insurance policy if he retires from football.
Sources tell ESPN that Marcus Lattimore is expected to retire due to ongoing knee issues.
A source tells CSN Bay Area that Marcus Lattimore (NFI, knee) is taking some time to contemplate his football future.
CSN Bay Area's Matt Maiocco wrote it is "looking unlikely" 49ers RB Marcus Lattimore (NFI, knee) will be able to return this season.
Marcus Lattimore's (NFI, knee) status is "up in the air" after missing practice Friday with soreness in his surgically-repaired right knee.
Coach Jim Harbaugh confirmed Monday that Marcus Lattimore (knee, NFI) will practice Wednesday.
49ers RB Marcus Lattimore (knee, NFI) has been cleared to practice next Monday when the team returns from its bye week.
49ers RB Marcus Lattimore (knee, reserve/NFI) will resume practicing following the team's Week 8 bye, and could join the 53-man roster if he responds well in practice.
CSN Bay Area expects Marcus Lattimore (knee, reserve/NFI) to be the 49ers' No. 3 running back during the second half of the season.
Marcus Lattimore (knee) expects to open the season on the reserve/NFI list.
ESPN 49ers reporter Bill Williamson expects Marcus Lattimore (knee, hamstring) to be activated sometime during the season.
49ers RB Marcus Lattimore (knee, hamstring) remains without a timetable for a return.
Coach Jim Harbaugh was noncommittal Friday on RB Marcus Lattimore (knee, hamstring) having a role on the 2014 49ers.