This result improves Mexico’s chances of qualifying from Group A, while Morocco will take heart from a spirited performance.
Mexico’s third ranked Light flyweight (49 kg) Joselito Velázquez Altamirano enjoyed his fourth win of the season when he stopped Morocco's 1-4 Zouhair El Bekkali in round two of their bout.
Atlas Lion Bantamweight (56 kg) Said Malek then earned his first WSB win with a solid points victory over Brian González.
Middleweight (75 kg) Said Harnouf earned his first WSB success in three attempts for Morocco with a comfortable points decision over 1-4 Misael Uriel Rodríguez Oliva.
Mexico finally clinched the overall victory at Heavyweight (91 kg) as Guerrero debutant Julio Cesar Castillo Torres was superb against Vitalijus Subacius.
Morocco Atlas Lions travel to British Lionhearts next week, while Mexico Guerreros visit Algeria Desert Hawks.