NFL Network's Brian Baldinger breaks down how San Francisco 49ers general manager John Lynch has been working to bring back a youthful spirit to the team's defensive unit.

"Even though we kind of warned our fans, I think that's a tough pill to swallow, even if you hear it's happening," Lynch said ...

Superstar tight end George Kittle shared an Instagram story that brought smiles to the faces of many 49ers fans.

Here's your guide to the biggest storylines of the past week, as well as the five teams holding their camps this coming week.