The Marseillais, who have a three-point gap, can come back to the Niçois if they succeed in Brest on Sunday evening.
A victory by more than three goals can even allow OM to take the place of runners-up.
In the rain, Téji Savanier notably missed the penalty collected after Dante's foul which would have allowed Montpellier to revive after two defeats.
© 2022 AFP