In the first of Friday night football this season, Olatunbosun opened the scores for the Lagos side.
Stephen Odey benefited from a poor Rangers defending to double MFM’s lead in the second half.
Bobby Clement will reduce the deficit with 9 mins left to play.
With the victory Fidelis Ilechukw’s side moved up to second on the table on 16 points, 4 points below leaders Plateau United but with two games in hand.
Two matches are on the card on Saturday as Akwa United welcome Abia Warriors while Remo stars travel to Ibadan to face Shooting Stars in a local derby of some sort.
Then on Sunday, Plateau United will look to extend their lead at the top when they play FC IfeanyiUbah.
Lobi Stars take on Enyimba. Sunshine Stars entertain Rivers United.
ABS FC host Wikki Tourists.