Shawne Merriman's bringing back Lights Out Xtreme Fighting -- after more than a year of being dormant -- and the former NFL star and promotion founder tells us won't rule out taking a fight!
"I'm not opposed to [fighting]," the former Pro Bowler told Babcock and Mojo on the "TMZ Sports" TV show (airs nightly on FS1), saying "I would fight the right former athlete, another guy in the WWE, something that people would pay to see in Lights Out."
The 38-year-old former NFL star continued ... "They got my Instagram.