Bendel Insurance beat old rivals Rangers 2-0 at the Samuel Ogbemudia Stadium in Benin City.
Insurance went ahead in the 14th minute through Junior Osagai.
Ismail Seriki scored the second goal a minute after the hour mark.
At the Pantami Township Stadium, Duma United maintained their unbeaten run at home with a 2-0 win over Katsina United.
Bidemi Awoko scored the first goal after just two minutes, while Samuel Enefiok doubled the lead six minutes later.
Daniel Ogunmode’s side are back on top after the win.
The Savannah Scorpions collected 31 points from 17 matches.