49ers look to prolong 'window'
Stock report after 49ers' Week 7 win, Emmanuel Sanders trade - Niners Nation
49ers TE George Kittle on team's shrinking Super Bowl window
49ers' George Kittle still feels sting of Super Bowl loss
How the new CBA impacts the 49ers
San Francisco 49ers Super Bowl window depend on Trey Lance
How George Kittle is leading the 49ers' charge to the Super Bowl
49ers draft preview: What tight end can complement Kittle? – Daily Democrat
Super Bowl LIV: Tight ends Kittle, Kelce have different styles, same domination – Daily Democrat