4:22 PM - George Kittle (SF) Kyle Shanahan said that there "isn't much concern" about Kittle's status for Sunday's game against the Seahawks, despite the tight end not practicing Wednesday, Nick Wagoner of ESPN.com reports.

4:01 PM - George Kittle (SF) Kyle Shanahan said Kittle (hamstring) won't practice Wednesday, Nick Wagoner of ESPN.com reports.

7:05 PM - George Kittle (SF) Kyle Shanahan said Monday that Kittle is dealing with "hamstring irritation" in the wake of Sunday's win at Tampa Bay, Nick Wagoner of ESPN.com reports.

5:22 PM - George Kittle (SF) had three receptions on four targets for 57 yards and a touchdown in Sunday's 23-20 win over the Buccaneers.

7:04 PM - George Kittle (SF) (foot) is active for Sunday's game versus the Cowboys, Lindsey Pallares of the 49ers' official site reports.

5:13 PM - George Kittle (SF) (foot) is listed as questionable for Sunday's game against the Cowboys, Jennifer Lee Chan of NBC Sports Bay Area reports.

6:32 PM - George Kittle (SF) (foot) practiced on a limited basis Thursday, Cam Inman of The San Jose Mercury News reports.

4:35 PM - George Kittle (SF) (foot) returned to practice Thursday, David Lombardi of The San Francisco Standard reports.

4:15 PM - George Kittle (SF) Kyle Shanahan said Kittle (foot) won't practice Wednesday, Eric Branch of the San Francisco Chronicle reports.

7:14 PM - George Kittle (SF) Kyle Shanahan said Kittle has a sprained foot and is day-to-day, Cam Inman of The San Jose Mercury News reports.

4:48 PM - George Kittle (SF) (ribs) doesn't have a designation for Thursday's game at Seattle, Eric Branch of the San Francisco Chronicle reports.

4:47 PM - George Kittle (SF) Francisco head coach Kyle Shanahan said that Kittle (ribs) will be a limited participant in Tuesday's practice, Cam Inman of The Jose Mercury News reports.

2:39 PM - George Kittle (SF) (ribs) is listed as active Sunday versus the Cardinals, Lindsey Pallares of the 49ers' official site reports.

5:00 PM - George Kittle (SF) (ribs) is listed as questionable for Sunday's game against the Cardinals, Matt Maiocco of NBC Sports Bay Area reports.

3:48 PM - George Kittle (SF) (ribs) is practicing Friday, Nick Wagoner of ESPN.com reports.

6:51 PM - George Kittle (SF) (ribs) was a non-participant at Thursday's practice, Nick Wagoner of ESPN.com reports.

4:46 PM - George Kittle (SF) (ribs) was seen working on the side at the beginning of Thursday's practice, Nick Wagoner of ESPN.com reports.

4:09 PM - George Kittle (SF) Kyle Shanahan said Kittle (ribs) won't take part in Wednesday's practice, David Lombardi of The Athletic reports.

6:41 PM - George Kittle (SF) Kyle Shanahan said Monday that Kittle (ribs) will be "day-to-day" this week, Cam Inman of The San Jose Mercury News reports.

8:04 PM - George Kittle (SF) (ribs/hamstring) corralled all four of his targets for 45 yards and a touchdown in Sunday's 30-13 win over the Patriots.

6:06 PM - George Kittle (SF) (ribs) reentered Sunday's game versus the Patriots, Nick Wagoner of ESPN.com reports.

5:44 PM - George Kittle (SF) suffered a rib injury during Sunday's game against the Patriots, Eric Branch of the San Francisco Chronicle reports.

4:55 PM - George Kittle (SF) (hamstring) doesn't have an injury designation for Sunday's game against the Patriots, Cam Inman of The San Jose Mercury News reports.

6:27 PM - George Kittle (SF) (hamstring) practiced on a limited basis Thursday, Jennifer Lee Chan of NBC Sports Bay Area reports.

4:07 PM - George Kittle (SF) Kyle Shanahan said Kittle (hamstring) will be a limited participant at Wednesday's practice, Nick Wagoner of ESPN.com reports.

7:06 PM - George Kittle (SF) Kyle Shanahan said Monday that the 49ers are hopeful Kittle (hamstring) returns to practice this week, Eric Branch of the San Francisco Chronicle reports.

4:12 PM - George Kittle (SF) (hamstring) has been downgraded to out and will not play Sunday against the Rams, Field Yates of ESPN reports.

5:01 PM - George Kittle (SF) (hamstring) is listed as doubtful for Sunday's game against the Rams, Matt Barrows of The Athletic reports.

3:53 PM - George Kittle (SF) (hamstring) isn't practicing Friday, Eric Branch of the San Francisco Chronicle reports.

4:15 PM - George Kittle (SF) won't practice Thursday due to a hamstring injury, Nick Wagoner of ESPN.com reports.

5:42 PM - George Kittle (SF) (cramps) finished with seven receptions off of eight targets for 76 yards and a touchdown in Sunday's 23-17 loss to the Vikings.

3:28 PM - George Kittle (SF) (cramps) returned to Sunday's contest in Minnesota, Cam Inman of The San Jose Mercury News reports.

3:13 PM - George Kittle (SF) (undisclosed) was carted to the locker room during Sunday's contest at Minnesota, Adam Schefter of ESPN reports.

4:26 PM - George Kittle (SF) remains on track to suit up for Week 1 of the regular season despite being held out of both of the 49ers' preseason games.

2:37 PM - George Kittle (SF) (groin) is ready for the start of training camp Tuesday and will not be placed on the PUP list, David Lombardi of The Athletic reports.

12:02 PM - George Kittle (SF) (core muscle) recently told the Bussin' With The Boys podcast that he lost nearly 30 pounds at the beginning of the offseason while rehabbing injuries.

5:57 PM - George Kittle (SF) (groin) has set a goal to be ready for training camp following core muscle surgery this offseason, Matt Maiocco of NBC Sports Bay Area reports.

12:18 PM - George Kittle (SF) John Lynch said Monday that Kittle is recovering from an offseason procedure intended to address a core muscle injury, and that the tight end is on track to be fully cleared by training camp, Matt Maiocco of NBC Sports Bay Area reports.

11:23 AM - George Kittle (SF) and the 49ers have reached agreement on a restructured contract, Field Yates of ESPN reports.

7:45 PM - George Kittle (SF) (toe) practiced fully Friday and doesn't have an injury designation for Super Bowl LVIII versus the Chiefs on Sunday.

7:18 PM - George Kittle (SF) (toe) was limited in Wednesday's practice, David Lombardi of The Athletic reports.

6:53 PM - George Kittle (SF) (toe) didn't practice Friday but doesn't have an injury designation after the first week of prep for Super Bowl LVIII against the Chiefs, Josh Dubow of The Associated Press reports.

2:46 PM - George Kittle (SF) (toe) won't practice Thursday, Matt Barrows of The Athletic reports.

5:15 PM - George Kittle (SF) (toe) was estimated as a non-participant on Wednesday's injury report, Josh Dubow of The Associated Press reports.

7:06 PM - George Kittle (SF) Kyle Shanahan said Monday that Kittle will be day-to-day this week due to a toe injury, Nick Wagoner of ESPN.com reports.

6:20 PM - George Kittle (SF) (back) was a full participant at Tuesday's practice, Nick Wagoner of ESPN.com reports.

4:34 PM - George Kittle (SF) won't play Sunday against the Rams due to back spasms.

5:13 PM - George Kittle (SF) caught one of two targets for one yard in Sunday's 19-17 loss to Cleveland.

5:12 PM - George Kittle (SF) (groin) caught three of six targets for 19 yards in Sunday's 30-7 win over the Steelers.

11:39 AM - George Kittle (SF) (groin) is active for Sunday's game against the Steelers.

5:26 AM - George Kittle (SF) (groin), who is listed as questionable, is expected to suit up for Sunday's road matchup against the Steelers, Adam Schefter of ESPN reports.

3:56 PM - George Kittle (SF) (groin) is listed as questionable for Sunday's game at Pittsburgh, Nick Wagoner of ESPN.com reports.

6:30 PM - George Kittle (SF) (groin) practiced on a limited basis Thursday, Matt Barrows of The Athletic reports.

7:07 PM - George Kittle (SF) was a limited practice participant Wednesday due to a groin injury, Nick Wagoner of ESPN.com reports.

5:50 PM - George Kittle (SF) (undisclosed) participated in the open portion of Wednesday's practice, Cam Inman of The San Jose Mercury News reports.

2:33 PM - George Kittle (SF) (undisclosed) is working off to the side during Monday's practice, Nick Wagoner of ESPN.com reports.

5:41 PM - George Kittle (SF) (undisclosed) is still dealing with an injury from training camp and won't resume practicing until next week, Nick Wagoner of ESPN.com reports.

5:27 PM - George Kittle (SF) (groin) was back at practice Monday, Matt Barrows of The Athletic reports.

7:08 PM - George Kittle (SF) Francisco coach Kyle Shanahan said Sunday that he expects Kittle (groin) will return to practice at some point during this coming week, Lindsey Pallares of the team's official site reports.

2:05 PM - George Kittle (SF) (adductor strain) didn't practice Thursday, Eric Branch of the San Francisco Chronicle reports.

9:08 PM - George Kittle (SF) caught both of his targets for 37 yards in Saturday's 41-23 playoff win over the Seahawks.

8:57 PM - George Kittle (SF) had four receptions (six targets) for 29 yards and two touchdowns in Sunday's 38-13 win over Arizona.

9:52 PM - George Kittle (SF) caught four of eight targets for 23 yards and a touchdown in Sunday's 37-34 overtime win over the Raiders.

9:00 PM - George Kittle (SF) finished with six receptions (eight targets) for 120 yards and two touchdowns in Saturday's 37-20 win over Washington.

11:52 PM - George Kittle (SF) secured four of five targets for 93 yards and two touchdowns in the 49ers' 21-13 win over the Seahawks on Thursday night.

8:46 PM - George Kittle (SF) caught four of five targets for 28 yards in Sunday's 35-7 win over the Buccaneers.

8:53 PM - George Kittle (SF) caught two of three targets for 22 yards in Sunday's 33-17 win over Miami.

10:32 PM - George Kittle (SF) caught three of four targets for 26 yards in Sunday's 13-0 win over New Orleans.

9:26 PM - George Kittle (SF) had three receptions (five targets) for 39 yards and a touchdown in Sunday's 31-14 win over the Rams.

9:23 PM - George Kittle (SF) caught six of nine targets for 98 yards and a touchdown in Sunday's 44-23 loss to the Chiefs.

10:04 PM - George Kittle (SF) had eight catches on 10 targets for 83 yards in Sunday's 28-14 loss to the Falcons.

9:16 PM - George Kittle (SF) caught five of six targets for 47 yards in Sunday's 37-15 win over the Panthers.

11:24 PM - George Kittle (SF) caught two of four targets for 24 yards in Monday's 24-9 win over the Rams.

4:44 PM - George Kittle (SF) (groin) has been cleared for Sunday's game against Denver, avoiding a designation on the final injury report, Nick Wagoner of ESPN.com reports.

6:32 PM - George Kittle (SF) (groin) was limited at practice Thursday, Matt Maiocco of NBC Sports Bay Area reports.

4:11 PM - George Kittle (SF) Kyle Shanahan said Kittle (groin) will be a limited practice participant Wednesday, Nick Wagoner of ESPN.com reports.

6:49 PM - George Kittle (SF) Kyle Shanahan said Kittle (groin) was close to being available for the 49ers' Week 2 matchup with the Seahawks, Matt Maiocco of NBC Sports Bay Area reports.

2:40 PM - George Kittle (SF) (groin) is listed as inactive Sunday versus the Seahawks, Lindsey Pallares and Briana McDonald of the 49ers' official site report.

6:04 AM - George Kittle (SF) (groin) is not expected to suit up for Sunday's game against the Seahawks, Adam Schefter of ESPN reports.

4:42 PM - George Kittle (SF) (groin) is listed as questionable for Sunday's game against Seattle, with coach Kyle Shanahan saying the tight end looked "awesome" in his return to a limited practice Friday, David Lombardi of The Athletic reports.

3:25 PM - George Kittle (SF) (groin) is present for Friday's practice, Matt Barrows of The Athletic reports.

4:15 PM - George Kittle (SF) (groin) isn't participating in practice Thursday, Cam Inman of The San Jose Mercury News reports.

4:15 PM - George Kittle (SF) (groin) isn't participating in practice Thursday, Cam Inman of The San Jose Mercury News reports.

3:59 PM - George Kittle (SF) Kyle Shanahan said Kittle (groin) won't take part in practice Wednesday, Cam Inman of The San Jose Mercury News reports.

3:59 PM - George Kittle (SF) Kyle Shanahan said Kittle (groin) won't take part in practice Wednesday, Cam Inman of The San Jose Mercury News reports.

7:14 PM - George Kittle (SF) Kyle Shanahan indicated that Kittle (groin) could practice Wednesday, Matt Maiocco of NBC Sports Bay Area reports.

7:14 PM - George Kittle (SF) Kyle Shanahan indicated that Kittle (groin) could practice Wednesday, Matt Maiocco of NBC Sports Bay Area reports.

11:41 AM - George Kittle (SF) (groin) is listed as inactive Sunday at Chicago, Matt Maiocco of NBC Sports Bay Area reports.

11:41 AM - George Kittle (SF) (groin) is listed as inactive Sunday at Chicago, Matt Maiocco of NBC Sports Bay Area reports.

10:16 PM - George Kittle (SF) (groin) isn't slated to play in Sunday's game at Chicago, Eric Branch of the San Francisco Chronicle reports.

10:16 PM - George Kittle (SF) (groin) isn't slated to play in Sunday's game at Chicago, Eric Branch of the San Francisco Chronicle reports.

4:48 PM - George Kittle (SF) (groin) is listed as questionable for Sunday's game against Chicago, Matt Barrows of The Athletic reports.

4:48 PM - George Kittle (SF) (groin) is listed as questionable for Sunday's game against Chicago, Matt Barrows of The Athletic reports.

3:48 PM - George Kittle (SF) (groin) isn't present for the media-access portion of Friday's practice, suggesting he's unlikely to play Sunday in Chicago, Jerry McDonald of The San Jose Mercury News reports.

3:48 PM - George Kittle (SF) (groin) isn't present for the media-access portion of Friday's practice, suggesting he's unlikely to play Sunday in Chicago, Jerry McDonald of The San Jose Mercury News reports.

4:15 PM - George Kittle (SF) (groin) didn't take part in Thursday's practice, David Lombardi of The Athletic reports.

4:15 PM - George Kittle (SF) (groin) didn't take part in Thursday's practice, David Lombardi of The Athletic reports.

3:18 PM - George Kittle (SF) who sat out the 49ers' first official practice of the week Wednesday, is dealing with a groin injury that's considered serious enough to potentially sideline him for Sunday's season opener in Chicago, Aaron Wilson of ProFootballNetwork.com reports.

3:18 PM - George Kittle (SF) who sat out the 49ers' first official practice of the week Wednesday, is dealing with a groin injury that's considered serious enough to potentially sideline him for Sunday's season opener in Chicago, Aaron Wilson of ProFootballNetwork.com reports.

4:03 PM - George Kittle (SF) Kyle Shanahan said Kittle won't practice Wednesday due to a groin injury, Cam Inman of The San Jose Mercury News reports.