Sean "X-Pac" Waltman has revealed on his official Twitter account that he will be undergoing surgery on Monday to fix an injury that he's had for quite some time.

Meeting with my orthopedic surgeon on Monday to schedule ACL & meniscus surgery.

, Sean Waltman (@TheRealXPac) January 7, 2021

Waltman followed up...

"I need this done even if I don't have another match. It's been this way since 2007. I just learned to work around it.. I could still work around it, but I want to be as close to 100% as possible if I'm going to have a few more matches."