Both are in the squad as we take on Crystal Palace in the FA Premier Reserve League at Stevenage Borough FC, kick-off 7pm.
Midfielder Simon went straight back into Premiership action after summer surgery with a 25-minute stint off the bench against Norwich City on Sunday.
Left-sided Swiss youngster Reto will make his debut after his switch from Grasshoppers Zurich was brought forward from January.
Rob Burch, Phil Ifil, Anthony Gardner, Goran Bunjevcevic, OJ Mabizela and Rohan Ricketts all return to reserve action.
Squad: Burch, Ifil, Kelly, Gardner, Bunjevcevic, Davies, Mabizela, Jackson, Ziegler, Ricketts, Barnard, O'Donoghue, Fulop, McKie, Malcolm, Dilevski.
Simon Davies is back in reserve action tonight - fans can also get their first glimpse of new signing Reto Ziegler.