The defender missed last weekend's trip to south London neighbours Millwall through suspension after collecting five yellow cards this season.
Morrison's return to the starting line-up is not guaranteed, however, after Dorian Dervite impressed alongside Leon Cort in the goalless draw with the Lions.
Striker Ricardo Fuller missed out at The Den with a slight hamstring problem and he will be assessed, while full-backs Rhoys Wiggins (foot) and Lawrie Wilson (thigh) are set to miss out again.
Arsenal loanee Emmanuel Frimpong could return to the starting line-up after dropping to the bench last weekend.
Young striker Michael Smith has extended his loan spell at non-league Newport until January.
- Sports & Recreation
- Dorian Dervite
- Leon Cort
- Ricardo Fuller