Rangers make one change to the side that beat Clyde 8-1 in midweek as David Templeton comes into the starting XI against Dumbarton.
Ally McCoist has made one change to his Rangers side that beat Clyde in midweek for this afternoon's Scottish Championship match against Dumbarton.
The single Rangers change sees injured teenager Fraser Aird replaced by David Templeton as striker Kenny Miller remains sidelined.
Meanwhile, Dumbarton manager Alan Adamson brings Scott Taggart into the starting XI as Mark Gilhaney drops to the bench after the 4-0 defeat to Queen of the South.
Rangers: Simonsen; McGregor, Zaliukas, Mohsni, Wallace; Macleod, McCulloch, Law, Templeton; Clark, Boyd.
Dumbarton: Rogers; Zanten, Linton, Graham, Mair; Taggart, Turner, Gilhaney, Campbell; Kirkpatrick, Nish.
Result: Hearts beat Rangers in dramatic fashion >