The match at the Ondo State Sports Complex saw the hosts ending their guests’ 12-match unbeaten run.
Rangers International drew 1-1 with hosts Kwara United of Ilorin to stay in fourth place, one spot ahead of the Afonja Babes.
Yaser Muzamil scored the lone goal of the match as they held on to the vital scoreline all game, with Rivers United now dropping to the Confederation Cup.
Chances of Rivers United FC qualifying for the group stage of the CAF Champions League dimmed on Sunday as they could only manage a 1-1 draw.
Rivers United FC of Nigeria, on Sunday, completed a double victory over Young Africans of Tanzania to earn a place in CAF Champions League first round.
