The Carolina Panthers are less than five weeks away from their annual training camp. And naturally, fans are curious about what’s in store for the process blue crew. So, The Charlotte Observer has brought back the Panthers mailbag to answer some questions from social media. Let’s talk about everyone’s favorite topic: Wide receiver Caleb asks: What’s your sense on what Jimmy Horn Jr.’s role will be this season? Mike Kaye: Horn is still somewhat enigmatic, even as a second-year receiver.