Brenda Castro and Wendy Widrobo Espinoza of Mexico began proceedings on the final day in Monterrey in the women's under-47.6-kilograms division.

It was Castro who had the edge, submitting Espinoza in the second round after taking her back and locking her in a rear-naked choke.

Jaime Sierra and Aaron Rios both stood out for Mexico as each of them won via submission in their respective divisions, the men's under 56.7kg and men's under-93kg.

In the women's under-56.7kg class Isabel Sierra Martinez picked up a points victory against Colombian Laura Beltran Oquendo to secure gold before Samantha Teutle won Mexico's sixth gold in the women's under-70.3kg division over Shenese Bobb of Guyana.

Adrian Ledezma began the United States’ haul of medals in the seventh bout of the day.

He submitted Mexico’s Diego Alexis Torres with a modified guillotine in the opening round of the men's under-52.2kg decider.

The US ended the day with five gold medals following dominant displays from Jonathan Powell, Anthony Orozco, Shane Collins and Lester Batres Jr in the men's under-65.8kg, under-83.9kg, under-70.3kg, and under-77.1kg divisions, respectively.

Brazil made it a hat-trick of wins in the women’s divisions as Giulliany Perea, Josiane Oliveira and Ana Vitoria Diniz all comfortably won their bouts.

In the under-61.2kg category, Oliveira was forced to go the distance in her bout, while both Perea and Diniz utilised their slick submission skills to win via kneebar in the under-52.2kg and under-65.8kg.

Caio Sardella rounded off a successful day for Brazil by submitting Puerto Rico’s Anthony Ramirez in the men's under-300kg division with a guillotine choke during the final seconds of the round.

Trinidad and Tobago earned their sole gold medal of the competition in the men's under-120.2kg tournament through Jeremy Rodulfo as two victories in as many days saw him earn the heavyweight gold medal.