Jim Ross posted this on Twitter. No word on what exactly happened, but he apparently fell onto concrete.
Took a bad bump last night. The concrete went over.
— Jim Ross (@JRsBBQ) November 17, 2018
Dave Meltzer posted this brief explanation of what happened:
Basically was at a friend's house, missed a step and took a bad face first fall. https://t.co/XCIvGuzUb8
— Dave Meltzer (@davemeltzerWON) November 17, 2018