"We're going to do everything we can do. We're going to space, we're going to have masks. But, you know, this is a communication sport."
"So if we want to get out there and have any idea about what we're doing on the field, we have to communicate with each other in person. We have to practice and I'm pretty sure the huddle's not going to be six-feet spaced."
Harbaugh lists other examples of when following the protocol will be too big of a challenge -- including the locker room showers and weight room -- and hope the league uses "common sense" by the time camps pick up next month.
"But the way I'm reading these memos right now, you throw your hands up and you go, 'Well, what the heck? There's no way we can be right.'"