Eleven players of Đồng Tháp were involved in the affair which saw Đồng Tháp draw Vĩnh Long 1-1 in a group round match. They shared VNĐ133 million (US$5,700) after the game for keeping the total score at two goals or less.
The match ended 1-1, and the Dong Thap players benefitted from ensuring no more than two goals were scored.
Nguyễn Vũ Tín scored the only goal of the game to help Hà Nội retain the National U21 Championship trophy on Sunday in Pleiku City.
Việt Nam came from behind to beat Myanmar 5-2 in the opening match of the Thanh Niên newspaper International U21 Football Tournament on Wednesday.
The 2018 International U21 Football Tournament by Thanh Niên Newspaper will be held in Huế next month.
Việt Nam won one gold, four silver and five bronze medals at the Asian Karate Federation Cadet, Junior and U21 Championship, which concluded in Japan on Sunday.