As might be expected, security is typically tight at UPMC Rooney Sports Complex. The parking lot is gated. A 50-foot curtain is available to shield the primary practice field. Facial-recognition software kiosks dot the facility at myriad checkpoints.

Pittsburgh Steelers coach Mike Tomlin doesn't want the cameras to become a distraction for his 8–3 team, especially as they still have four AFC North matchups left on the schedule. He has some solace knowing the other three teams—Baltimore Ravens, Cincinnati Bengals and Cleveland Browns—also have this obstacle to deal with.

In the summer, it was revealed that Hard Knocks will return this December... but this season, there's a twist. For the first time ever, Hard Knocks will follow an entire division, and they've selected a competitive bunch in the AFC North,