San Francisco 49ers  rookie running back Marcus Lattimore (38) during practice at NFL football rookie camp at the team's training facility in Santa Clara, Calif., Friday, May 10, 2013.
San Francisco 49ers rookie running back Marcus Lattimore (38) during practice at NFL football rookie camp at the team's training facility in Santa Clara, Calif., Friday, May 10, 2013. AP
San Francisco 49ers rookie running back Marcus Lattimore (38) during practice at NFL football rookie camp at the team's training facility in Santa Clara, Calif., Friday, May 10, 2013. AP

Exam shows progress on Lattimore’s knee

May 10, 2013 10:53 PM