Bryan retired from wrestling earlier this week -- citing health concerns (including post-concussion seizures) after suffering at least 10 concussions during his career.
The big question ... will Bryan's issues lead to a sweeping changes in pro wrestling to protect the entertainers?
Stone Cold doesn't think so.
"I just think Daniel Bryan worked a very physical cruiser weight style ... and finally after everything that he did, it kinda took it out of him. I don't think it's gonna be an epidemic, I just think it is what it is."