Barker and Straker come in for BluesPaul Sturrock made two changes to the side that drew 2-2 with Brentford on Saturday for the Johnstone's Paint Trophy southern area semi-final with Oxford United.
Chris Barker and Anthony Straker both came in for Luke Prosser and the cup-tied Marc Laird.
That meant Michael Timlin moved into the middle with Alex Woodyard.
Barry Corr kept his place in attack alongside Gavin Tomlin.
Blues: Smith; Clohessy, Cresswell, Phillips, Barker; Timlin, Hurst, Woodyard, Straker; Corr, Tomlin.