A rep for Combate -- a promotion featuring Latin fighters -- confirms to TMZ Sports that ADR is "stepping down" from the helm of the company.
We broke the story ... Alberto and Paige got into an altercation at an Orlando airport last Sunday. Police investigated, and have recommended that Paige face charges. Del Rio is still under investigation.
Alberto was appointed C.A. prez in October 2016 -- and once described himself as the Dana White of the company.