Date: May 18, 2018
Place: Buenos Aires, Argentina
Promoter: Jorge “Acero” Cali
Venue: Club GEI Ituzaingo
Broadcast: Live on FOX Sports Latin America
Subtitled as “Estrellas de Acero” [Steel Stars in Eng.] Simply the Best 19 features Argentine Cristian Bosch and Ricardo Perea of Mexico battling out for WKN International cruiserweight title in Muay Thai.
Also on the card Argentine Martin Velasco and Brazilian Marcelo Morrudo battle out for WKN International middleweight belt. In addition, Argentine Pablo Roa and Juan Avilar Villalba of Paraguay contest for WKN International lightweight strap.
Cruiserweight Cristian Bosch def. Ricardo Perea via TKO
Middleweight Martin Velasco def. Avelino Soaeres via TKO
Lightweight Pablo Roa def. Juan Avilar Villalba via KO
Bantamweight Ignacio Capllonch def. Maiquel Pereyra via TKO
Middleweight Maxi Bonelo def. Nicolas Ryske via decision
Nicolas Jara def. Cesar Ulisses Barcellos via decision
Emiliano Calderon def. Franco Mercado via decision