Marc Richards is available for Northampton after making his comeback in Tuesday's 1-1 draw at Oxford.
The striker had been out with an Achilles problem which had sidelined him since the start of March.
Suspended duo Ryan Cresswell and Jason Taylor are still banned for the Cobblers but will be available after the weekend.
Northampton could see their slim play-off hopes ended at the weekend as they sit seven points adrift of the top seven with three games left.
Gary Johnson has plenty of injury absentees...