Joe Skarz a doubt for Oxford
Joe Skarz is a doubt for Oxford 's home clash against Oldham.
The defender is struggling with a back problem but boss Michael Appleton will continue to rotate his squad as Marvin Johnson or Josh Ruffels look set to deputise.
The U's will be without midfielder Dan Crowley who has returned to his parent club Arsenal following the termination of his loan spell.
Chesterfield loanee Charlie Raglan is available after being cup-tied while Curtis Nelson should feature after recovering from a foot injury.
Oldham manager Steve Robinson is hoping midfielder Ryan Flynn will be fit to return.
The 28-year-old missed Monday's FA Cup exit to Lincoln through illness but is set to regain his place in the starting line-up.
Midfielder Marc Klok was also absent from that game with a calf injury. His short-term deal expires in January.
Defender Brian Wilson could return to the squad after a calf injury.