Crushing news for X-Pac ... the former WWE superstar says he tore his bicep last month in his highly anticipated return to the ring, and will require surgery to fix the injury before getting back in the squared circle.
49-year-old Pac, government name, Sean Michael Waltman, posted the gruesome pic of his injury on Twitter and an update on his health status, and it was pretty tough to digest.
"I tried to keep this on the down-low," X-Pac wrote, "but I tore my bicep in the tag match a month ago.