49ers post-free-agency mailbag: Is Jauan Jennings gone? What’s with Trent Williams?

Readers also had plenty of questions about the offensive line and a possible trade for Raiders pass rusher Maxx Crosby.

I tried Christian McCaffrey’s performance brand sneakers — now I see why athletes love them

I put While on Earth's Move Trainers to the test, and here is what I discovered about the shoes.