Oxford captain Jake Wright faces a month on the sidelines with a hamstring problem picked up in the 2-2 FA Cup draw with Gateshead.
Oxford forward Alfie Potter has agreed a long-term deal with the U's.
Oxford have suffered a blow with the news Alfie Potter is set to miss the rest of the season with a fractured ankle.
Alfie Potter hopes his first goal since early September in the 1-1 draw at Burton will be the "first of many" this season.
Midfielder Alfie Potter has been saluted by Oxford and Burton after his superb solo goal helped his side secure a 1-1 draw.
Striker Alfie Potter says he is looking forward to a bright future with Oxford United after signing a new deal with the club.
Oxford have dismissed claims that Peterborough were paid £50,000 for the permanent signing Alfie Potter.
Winger Alfie Potter has completed a permanent switch to Oxford from Peterborough for an undisclosed fee.
Barry Fry believes it is unlikely that Lincoln will sign either Alfie Potter or Liam Hatch.
Newly promoted Peterborough United have announced that 12 of their squad have been transfer-listed.
Shwan Jalal and Alfie Potter have left Peterborough to join Bournemouth and Kettering on respective loan deals.
Peterborough have recalled Alfie Potter from his loan spell at Blue Square South club Havant & Waterlooville.
Peterborough defender Adam Smith has agreed a deal to join Boston on a three-month loan.