Kittle, 31, is signed with the 49ers until 2030. His secret to longevity? Taking care of his body and mind.

San Fransisco 49ers tight end George Kittle got physical with WWE Superstar The Miz at the American CenturyCelebrity Championship on Sunday.

49ers tight end George Kittle made a bold Brock Purdy promise after his massive $265 million contract extension.

The San Francisco 49ers gave George Kittle an extension, and then aimed to make his life easier in free agency.

George Kittle continues to live his best life. The 49ers’ tight end, recently the recipient of a four-year, $76 million contract extension, wrapped up another Tight End University summit in late ...

George Kittle sat down with NBC Sports Bay Area's Matt Maiocco and talked about how the 49ers vets can help the rookies acclimate to the NFL.

During a conversation with @EdEastonJr, 49ers tight end George Kittle revealed advice he received recently from Chiefs tight end Travis Kelce ...

Brock Purdy went from making relative peanuts to earning $53 million per year on his massive new contract. 49ers tight end George Kittle isn’t worried about his quarterback wilting under pressure.