It doesn't help that Purdy, 25, has a boyish face, while Kittle, 31, always has the facial hair to make him look much older. Not to mention the two-time, first-time All-Pro tight end has played ...

All eyes are on the looming contract extension between the 49ers and Brock Purdy. However, there is another player the 49ers will have to extend, and that's All-Pro tight end George Kittle.