The 21-year-old joined from Lecce in January and was in excellent form before suffering a hamstring injury against Arsenal. While he is not expected to recover in time for the Leeds clash, he could return to action before the end of the month.
Manager Michael Carrick is likely to deploy Dorgu as a left-sided attacker in a 4-2-3-1 system. United are currently enjoying a resurgence and need to secure maximum points from their remaining games to qualify for the Champions League.