Gillingham captain Barry Fuller could play for the first time since February after recovering form a broken arm, albeit while wearing a protective cast.Striker Simeon Jackson missed Saturday's 1-0 defeat at Charlton with a hamstring injury, but should feature.
Southend could recall striker Francis Laurent, who has missed their last three games a pelvic problem.
Goalkeeper Kelvin Jack may return after a hamstring injury, but midfielder Franck Moussa is suspended.
Source: BBC Sport
Source: BBC Sport