San Francisco head coach Kyle Shanahan said that Samuel strained his right hamstring "pretty good" during Sunday's 32-29 win over Seattle and is "going to miss at least a couple weeks," David Lombardi of SFStandard.com reports.

San Francisco head coach Kyle Shanahan said Monday that Wallow will miss "at least a couple of weeks" due to a hamstring strain, Nick Wagoner of ESPN.com reports.

doubtful

questionable

Thompson (ankle) could return in Week 6 against Washington, Matt Barrows of The Athletic reports.