Rangers are now 15 points clear at the top of the Ladbrokes Championship after beating Morton 3-1 at Ibrox on Friday night.
Denny Johnstone gave Jim Duffy's men the lead midway through the first half but a Kenny Miller double either side of half-time turned things round.
Lee Wallace sealed the victory for Mark Warburton's team with a 56th-minute goal to leave Morton sixth in the table, two points behind Queen of the South.
