6:57 PM - Isaac Guerendo (SF) (coach's decision) is inactive for Monday night's game against the Colts.

12:52 PM - Isaac Guerendo (SF) logged three snaps on special teams in Sunday's 37-24 win over the Titans.

11:50 AM - Isaac Guerendo (SF) played all 10 of his snaps on special teams in Sunday's 26-15 loss to the Texans.

2:33 PM - Isaac Guerendo (SF) ran back one kickoff for 18 yards while receiving no carries or targets in Thursday's 26-23 overtime win over the Rams.

2:04 PM - Isaac Guerendo (SF) logged 14 snaps on special teams and was not used on offense in Sunday's 26-21 loss to the Jaguars.

2:14 PM - Isaac Guerendo (SF) did not receive a carry while gaining 19 yards on a kickoff return in Sunday's 16-15 win over the Cardinals.

2:18 PM - Isaac Guerendo (SF) returned two kickoffs for 47 yards and was not used on offense in Sunday's 26-21 win over the Saints.

2:59 PM - Isaac Guerendo (SF) played 15 snaps on special teams and did not receive a carry in Sunday's 17-13 win over the Seahawks.

7:04 PM - Isaac Guerendo (SF) (shoulder) practiced fully Wednesday, Cam Inman of The San Jose Mercury News reports.

12:41 PM - Isaac Guerendo (SF) may open the season as San Francisco's No. 2 running back even though the team is trading for Brian Robinson, Cam Inman of The San Jose Mercury News reports.

5:56 PM - Isaac Guerendo (SF) (shoulder) participated in Tuesday's training camp practice, Nick Wagoner of ESPN.com reports.

3:18 PM - Isaac Guerendo (SF) coach Kyle Shanahan said Monday that Guerendo (shoulder) is expected to miss a couple weeks, Matt Maiocco of NBC Sports Bay Area reports.

3:46 PM - Isaac Guerendo (SF) had an early departure from practice Saturday due to an apparent shoulder injury, Jennifer Lee Chan of NBC Sports Bay Area reports.

12:14 PM - Isaac Guerendo (SF) (knee/ankle) was an active participant at voluntary OTAs, per the 49ers' official site.

4:42 PM - Isaac Guerendo (SF) won't return to Sunday's game at Arizona due to knee and ankle injuries.

5:07 PM - Isaac Guerendo (SF) (foot/hamstring) doesn't have a designation for Monday's game versus the Lions, Cam Inman of The San Jose Mercury News reports.

3:14 PM - Isaac Guerendo (SF) (foot/hamstring) is expected to play Monday against the Lions, Adam Schefter of ESPN reports.

5:49 PM - Isaac Guerendo (SF) (foot/hamstring) practiced in a limited capacity Friday, Nick Wagoner of ESPN.com reports.

2:53 PM - Isaac Guerendo (SF) Kyle Shanahan said Guerendo (foot/hamstring) will be limited at Thursday's practice, Cam Inman of The San Jose Mercury News reports.

4:20 PM - Isaac Guerendo (SF) (foot, hamstring) has been ruled out for Sunday's game at Miami, Matt Maiocco of NBC Sports Bay Area reports.

12:10 PM - Isaac Guerendo (SF) 49ers are not expected to have Guerendo (hamstring) available for Sunday's game against the Dolphins, Adam Schefter of ESPN reports.

2:49 PM - Isaac Guerendo (SF) (hamstring) will not practice Wednesday, David Lombardi of SFStandard.com reports.

6:49 PM - Isaac Guerendo (SF) (foot) is listed as active Thursday against the Rams, Lindsey Pallares of the 49ers' official site reports.

9:47 AM - Isaac Guerendo (SF) (foot) remains listed as questionable for Thursday's game against the Rams but insists he "feels good" and plans to play, sources tell Adam Schefter of ESPN.

4:32 PM - Isaac Guerendo (SF) (foot) is listed as questionable for Thursday's game versus the Rams, Eric Branch of the San Francisco Chronicle reports.

4:38 PM - Isaac Guerendo (SF) (foot) won't participate in Tuesday's walk-through practice, Nick Wagoner of ESPN.com reports.

3:50 PM - Isaac Guerendo (SF) head coach Kyle Shanahan said Monday that Guerendo has been diagnosed with a foot sprain and will be considered day-to-day heading into Thursday's game against the Rams, Nick Wagoner of ESPN.com reports.

1:50 PM - Isaac Guerendo (SF) had one carry for zero yards in Sunday's 23-20 win over Tampa Bay.

5:06 PM - Isaac Guerendo (SF) rushed five times for 22 yards and was not targeted as a receiver in Sunday's 24-23 loss to Arizona.

5:20 PM - Isaac Guerendo (SF) (groin) suited up for Monday's season opener against the Jets but did not record a touch in the 32-19 win.

4:57 PM - Isaac Guerendo (SF) (groin) is practicing on a limited basis Thursday, Cam Inman of The San Jose Mercury News reports.

3:19 PM - Isaac Guerendo (SF) (hamstring) departed Wednesday's training camp practice early, Jennifer Lee Chan of NBC Sports Bay Area reports.