Jennifer Lopez is making a big relationship move with A-Rod ... introducing him to mom.
The new couple went out Sunday in NYC hand-in-hand -- with J Lo's mother, Guadalupe Rodriguez (yes, really), tagging along for the sight-seeing.
A-Rod seemed to leave a good impression on mama bear -- we know she's gotta like his last name -- and don't forget ... Jen already hit it off with Alex's sis.
It's pretty obvious now -- he has J Lo's love.
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