San Francisco has had a rough go of it this year in the injury department.

Defensive tackle Ian Williams broke his ankle in the 49ers’ week two loss to the Seattle Seahawks. Defensive end Aldon Smith is out indefinitely after entering rehab for alcohol abuse following a second DUI arrest and has pending gun charges.

Ray McDonald has a banged up bicep and has missed practice Justin Smith has a sore shoulder and missed practice Glenn Dorsey appears unlikely to play Sunday… you get the point.

The 49ers waived wide receiver Chris Harper earlier this week – who was subsequently claimed off waivers by the Green Bay Packers – creating an open roster spot.