Straker, Lund and Reeves in for Barnet awayPaul Sturrock made three changes from Saturday's 2-1 win at Wycombe for the trip to Barnet.
Anthony Straker replaced Chris Barker at left-back who was ruled out through injury.
Matthew Lund came in to the middle of midfield for Ryan Leonard who dropped to the bench.
The final change saw Ben Reeves come in for Danny Mayor who also dropped to the bench.
Blues: Smith; Clohessy, Cresswell, Prosser, Straker; Hurst, Lund, Spillane, Reeves; Assombalonga, Corr.
Subs: Bentley, Harris, Eastwood, Mayor, Leonard, Woodyard, Spicer.