Alberto Del Rio is tappin' out on his day job as president of the MMA org. Combate Americas after an alleged domestic incident last week involving his WWE superstar fiancee Paige.
A rep for C.A. -- an MMA 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 Orlando airport last Sunday. Police investigated, and have recommended that Paige face charges. Del Rio is still under investigation.
As for Combate Americas .