They should also correct a mystifying Monday selection from the win at Port Vale earlier this week.
Charlton have won their last three third tier matches under former Posh skipper Dean Holden.
Posh started impressively under Darren Ferguson at Vale, but the Londoners are sure to present a tougher test.
The PT has stuck with the same 4-2-3-1 formation used at Vale Park.
Posh started impressively under Darren Ferguson at Vale, but the Londoners are sure to present a tougher test.
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