The 19-year-old, on loan from Huddersfield, does not have permission from his parent club to feature in the match, but fellow-loanees Anton Forrester and Danny Mayor are available to play some part.
Midfielder Ashley Grimes is in contention to make his first start for the club in Sinnott's absence.
Andy Procter should be ready in time despite sustaining a head injury against Burton, but the game could come too soon for fellow midfielder Tom Soares who is struggling with a thigh injury.
- Sports & Recreation
- Anton Forrester