AP source: Kittle agrees to 5-year extension with 49ers
George Kittle: San Francisco 49ers tight end agrees five-year, $75m extension, NFL News
George Kittle's record-setting day: 49ers, Broncos sound off on the tight end's performance - Niners Nation
49ers' George Kittle thanks many after securing big payday
George Kittle - Wikipedia
George Kittle gets a record-setting deal; now he and the 49ers can get to work - The Athletic
Kyle Shanahan Explains Anxiety with TE's Contract Negotiations
San Francisco 49ers: George Kittle speaks on record deal
Agent's Take: Why George Kittle could break the bank in what could be a banner offseason for tight ends
George Kittle's quote after signing new deal is authentically him
How the George Kittle contract extension impacts the Eagles - Bleeding Green Nation
George Kittle contract: 49ers agree to five-year, $75 million deal - Sports Illustrated
George Kittle nears 49ers all-time tight end records