Lee Burge and Aaron McGowan both came off in Saturday’s draw with Bolton Wanderers and boss Jon Brady is unsure whether the duo will be able to play a part against Leyton Orient on Tuesday night.
Already without a number of players due to injury, Brady is having his squad pushed right to the limit.
“Lee and Aaron are still being assessed,” he said.
“I don’t think anyone else will be back for Tuesday but we will have to wait and see.
"A few players are nearing a return and hopefully they will be involved sooner rather than later."