How Kittle has advised 49ers QB Purdy amid ongoing contract saga

SAN FRANCISCO — As Brock Purdy navigates his first career contract extension, George Kittle is being as supportive as possible.The All-Pro tight end spoke exclusively to NBC Sports Bay Area as he kicked off the weekend at the de Young Museum. In conjunction with Zenni, nearly 250 children received free vision screening at the museum. Several of the participants were invited to attend a "chalk talk" with Kittle, where they learned how to draw up a few of the 49ers' plays.The children received a complimentary pair of EyeQLenz glasses that help protect against blue light, UV light, and infrared light, and were able to meet Kittle and take pictures after the event was over."The only difference is, a quarterback's contract is significantly and astronomically different than a tight end's contract," Kittle said with a smile. "Just trying to be realistic with him and trying to connect it as best I can."Me and Brock have a lot of things in common. Two kids that came out of — no one really had high expectations for either of us, and we both exceeded those expectations. I think he kind of took a rocket ship a little bit faster than I did, mine was over the course of several years. His...