Rey Mysterio was carried to the back after apparently hurting his knee or leg during a spot on Smackdown.
Mysterio was checked at ringside by WWE's medical staff and then taken to the back.
It appeared he was favoring his left knee and may not have able to put weight on it.
More as we confirm.
If you enjoy PWInsider.com you can check out the AD-FREE PWInsider Elite section, which features exclusive audio updates, news, our critically acclaimed podcasts, interviews and more by clicking here!