Kano Pillars cut Remo Stars lead at the top of the Nigeria Premier Football League, NPFL, following a 2-1 win at El-kanemi Warriors.
Taofeek Otaniyi gave Rivers United the lead two minutes after the break.
The visitors doubled their lead through Samson Obi in the 61st minute.
Risilanu Ismail reduced the deficit for El-kanemi on the dot of 90 minutes.
At the Sani Abacha Stadium, Kano Pillars were held to a 1-1 draw by Nasarawa United.
Auwalu Malam gave Kano Pillars the lead in the 18th minute, while Idris Ajiya levelled for Nasarawa United in the 68th minute.