questionable

Kirk (calf) remained sidelined at Saturday's practice, Nick Wagoner of ESPN.com reports.

McCaffrey (undisclosed) will not play in Thursday night's preseason game against the Chargers, David Lombardi of SFStandard.com reports.

Odighizuwa (undisclosed) was a participant in Thursday's training camp session, Cam Inman of The San Jose Mercury News reports.

questionable

Pleasants won't return to Thursday's preseason game at the Chargers due to a knee injury, Jennifer Lee Chan of NBC Sports Bay Area reports

questionable

Stribling (hamstring) participated in 11-on-11 team drills during Saturday's training camp practice, Noah Furtado of the San Francisco Chronicle reports.

questionable

The 49ers placed Taylor (undisclosed) on injured reserve Thursday, David Lombardi of SFStandard.com reports.

Kamara (knee) reverted to the 49ers' injured reserve Monday, per the NFL's transaction log.

Leo (undisclosed) reverted from waivers to San Francisco's injured reserve list Wednesday, Nick Wagoner of ESPN.com reports.

Pearsall (knee) is one of the few prominent athletes to have surgery on an isolated PCL injury, making it difficult to set expectations for rehab length or a potential return to pre-injury form, Eric Branch of the San Francisco Chronicle reports.

Kittle (Achilles) visited with Dr. Neal ElAttrache on Wednesday and remains ahead of schedule in his recovery with a chance to play Week 1 against the Rams, Adam Schefter of ESPN reports.

Coach Kyle Shanahan said Tuesday that Williams (knee) is considered a "long shot" to play in Week 1 against the Rams, Dylan Grausz of NBC Sports reports.