2:37 PM - Jacob Cowing (SF) 49ers designated Cowing (hamstring) to return from injured reserve Wednesday.

6:59 PM - Jacob Cowing (SF) head coach Kyle Shanahan said Monday that Cowing (hamstring) will have his practice window opened Wednesday, Matt Maiocco of NBC Sports Bay Area reports.

9:31 AM - Jacob Cowing (SF) Francisco head coach Kyle Shanahan said Friday that Cowing (hamstring) could have his 21-day practice window opened during Week 18 prep, Matt Barrows of The Athletic reports.

5:12 PM - Jacob Cowing (SF) Kyle Shanahan said Monday that Cowing's (hamstring) 21-day practice window will likely be opened following the 49ers' Week 14 bye, Matt Maiocco of NBC Sports Bay Area reports.

7:32 PM - Jacob Cowing (SF) coach Kyle Shanahan said Friday that Cowing (hamstring) is "getting close" to returning from injured reserve, Nick Wagoner of ESPN.com reports.

7:28 PM - Jacob Cowing (SF) 49ers placed Cowing (hamstring) on injured reserve Wednesday.

4:18 PM - Jacob Cowing (SF) isn't practicing Wednesday after suffering a lower-body injury Tuesday, Matt Maiocco of NBC Sports Bay Area reports.

3:48 PM - Jacob Cowing (SF) (hamstring) returned to a limited practice Tuesday, Nick Wagoner of ESPN.com reports.

4:57 PM - Jacob Cowing (SF) Francisco coach Kyle Shanahan said Sunday that he's hopeful Cowing (hamstring) will be back by the week of Aug. 11 for joint practices with the Raiders, David Lombardi of SFStandard.com reports.

3:15 PM - Jacob Cowing (SF) pulled his hamstring Wednesday, Nick Wagoner of ESPN.com reports.

2:59 PM - Jacob Cowing (SF) finished his rookie season with four receptions for 80 yards and one rushing attempt for seven yards across 15 active games.

11:38 AM - Jacob Cowing (SF) returned five punts for 51 yards and went without a target while playing four of the 49ers' 54 snaps on offense in Thursday's 12-6 loss to the Rams.

6:50 PM - Jacob Cowing (SF) (concussion) was listed as a full practice participant on Wednesday's injury report, Cam Inman of The San Jose Mercury News reports.

6:13 PM - Jacob Cowing (SF) (concussion) has been ruled out ahead of Sunday's matchup against the Packers, Cam Inman of The San Jose Mercury News reports.

6:37 PM - Jacob Cowing (SF) (concussion) was a limited participant in Wednesday's practice, Cam Inman of The San Jose Mercury News reports.

5:59 PM - Jacob Cowing (SF) (concussion) has been ruled out for the rest of Sunday's game against Seattle, Nick Wagoner of ESPN.com reports.

12:22 PM - Jacob Cowing (SF) (shoulder) is considered day-to-day as the 49ers begin Week 6 prep Monday,Lindsey Pallares of the 49ers' official site reports.

2:54 PM - Jacob Cowing (SF) (shoulder) is inactive for Sunday's game against the Cardinals, Lindsay Pallares of the 49ers' official site reports.

11:24 AM - Jacob Cowing (SF) GM John Lynch said Friday that Cowing "may get some [opportunities]" in Sunday's game against the Rams, Matt Barrows of The Athletic reports.

3:48 PM - Jacob Cowing (SF) played three snaps -- all on special teams -- in Sunday's 23-17 loss to the 49ers.

8:01 PM - Jacob Cowing (SF) (hamstring) returned to practice Tuesday, Nick Wagoner of ESPN.com reports.