Sources: 49ers tight end George Kittle's groin injury 'not good'
George Kittle Injury: 49ers Tight End Unlikely to Play With Groin Injury
Niners TE George Kittle (groin) misses second straight practice
San Francisco 49ers' George Kittle (groin) inactive for Seattle Seahawks game - ESPN
Kyle Shanahan Reveals His Hope For George Kittle - The Spun: What's Trending In The Sports World Today
49ers injury news: George Kittle has a Grade 2 groin strain that's limiting his top-end speed; misses practice Thursday - Niners Nation
49ers' Kyle Shanahan evaluates George Kittle's return, defenses taking away the Deebo Samuel factor
George Kittle OUT Sunday For 49ers vs. Bears? Kittle Injury 'NOT GOOD' Per Report
49ers Rumors: George Kittle's Groin Injury 'Not Good'; Unlikely for Week 1 vs. Bears, News, Scores, Highlights, Stats, and Rumors
George Kittle injury: 49ers' TE doing 'everything' he can to play vs. Bears in Week 1