DMX -- Add Another Arrest to the Pile

DMX is getting within shooting distance of a deck of cards populated by his mug shots, because he was arrested again Friday night.

Law enforcement sources tell TMZ, the rapper was en route to Radio City Music Hall where he was scheduled to perform when the New York City Sheriff's deputies nabbed him for unpaid child support. Turns out there was a warrant for his arrest.

The law we know, he was being held in the back of a patrol car.