Enyimba secured their first win of the season with a 1-0 victory over Niger Tornadoes in Aba on Sunday.
Joseph Abiodun netted the decisive goal in the sixth minute.
At the Adokiye Amiesimaka Stadium in Port Harcourt, Rivers United also claimed a 1-0 win over Kwara United, with Ubong Friday striking in the 22nd minute.