Struggling Walsall will be depleted.
Striker Will Grigg is on international duty with Northern Ireland as they prepare to host Azerbaijan in a crucial World Cup qualifier on Wednesday night.
Sam Mantom signed for the Saddlers on loan from West Brom on Friday but, after making his debut in Saturday's disappointing 2-0 home defeat to Swindon, is ineligible having not been registered when the initial 1-1 draw took place against Lincoln earlier this month.
The midfielder will however be available should Walsall progress into the second round, where Mansfield or Slough lie in wait.
Midfielder Florent Cuvelier remains sidelined for around a couple of weeks with his hamstring injury, while Andy Taylor and Ben Purkiss are also still absent nursing similar complaints although the latter pair are targeting Saturday's trip to Crawley for a possible return.
The Saddlers are winless in 10 matches in all competitions stretching back to late September and play host to a confident Imps outfit unbeaten in eight.