George Kittle 'made a lot of progress' with groin injury, still not practicing for 49ers
Source -- 49ers TE George Kittle (groin) not expected to play vs. Bears - ESPN
49ers Rumors: George Kittle's Groin Injury 'Not Good'; Unlikely for Week 1 vs. Bears, News, Scores, Highlights, Stats, and Rumors
With 49ers' cornerback attrition and Seahawks' confusion, QBs should feast Sunday
George Kittle's groin injury has lingered, keeping him out of practice this week - NBC Sports
49ers' George Kittle Uncertain for Week 1 vs. Bears with Groin Injury, News, Scores, Highlights, Stats, and Rumors
With 49ers' cornerback attrition and Seahawks' confusion, QBs should feast Sunday
As hard as he tries, you'd think Nick Mullens would get a break. That's not how this works
George Kittle calf injury: 49ers place TE on injured reserve list - Sports Illustrated
Injuries force Warriors to get creative with their starting lineup