The winger, having put the Essex club ahead in Saturday's home clash against York, saw red for a second bookable offence just before the hour mark and now serves a one-match ban at Fratton Park.
Manager Phil Brown is also monitoring a couple of unnamed players who are doubts having picked up niggles from the dramatic 2-1 victory over the Minstermen at the weekend. Long-term absentee Julian Bennett (knee) remains on the sidelines.
But midfielder Conor Clifford does return to the fold having completed his three-match suspension.
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