Rangers defeated Rivers United 1-0 in a rescheduled Nigeria Premier Football League encounter at the Nnamdi Azikiwe Stadium, Enugu.
The Flying Antelopes extended their unbeaten streak to three games since they returned to the Cathedral.
Enterprising winger, Kazeem Ogunleye scored the winner from a free-kick five minutes after the break.
The two teams missed several scoring chances in the game.
Rangers climbed to eighth position on the table following the hard-earned win.
Former champions, Rivers remain in 14th position.