Because Quote by Brian Urlacher

I don't have concussion problems. I have got a problem with people giving me traumatic blows to the head, that's what I have got…

— Dean McAmmond

I had two concussions that were of major concern, what I would term very significant. As far as head injury goes, I would say…

— Troy Aikman

I never had concussion issues. What I have is cervical spinal stenosis.

— Edge

A lot of people don't realize how severe a concussion injury is. You have to listen to the doctors. You have to be really…

— Bret Hart

The more studies that come out that talk about concussions and so forth, it makes me wonder. I wonder, more importantly than the stroke,…

— Steve Largent

I had six or seven documented concussions, so I had a lot more than that. But I feel fine.

— Joe Montana

I've had concussions literally on a weekly basis.

— Travis Pastrana

I've had multiple concussions. I've had to stop fighting when I was 32, because according to my doctor, it was the 2nd concussion. No,…

— Bruce Buffer

I've had hundreds and hundreds of concussions, but I don't think that I have any permanent damage. A lot of my peers do.

— Rob Van Dam

It's simple to get a concussion, you know. I don't know how many I've had over my career, you know, but I've definitely had…

— Calvin Johnson

Of course I've had a bunch of broken bones, sprains and I've had five or six concussions, with three serious ones. I also got…

— Johnny Knoxville

Concussions is one of these pack journalism issues, frankly. There's no increase in concussions. The number is relatively small. The problem is, it is…

— Paul Tagliabue