The San Francisco 49ers are apparently in yet another tense contract negotiation stand-off with a star player - and this time, it's with fan favorite George Kittle. Kittle has remained one of the best tight ends in the NFL and is about to enter the final year of his five-year,

Yet several of those players ripe for extensions, including quarterback Brock Purdy and tight end George Kittle, could skip the team's upcoming voluntary workouts amid ongoing negotiations, according to The Athletic.