Kevin Pressman is facing a spell on the sidelines with a damaged arm while Ola Tidman (knee) and Chris Stringer (calf) are also out.
Wednesday were forced to give a debut to 40-year-old goalkeeping coach Eric Nixon as a substitute in Saturday's goalless draw with Grimsby.Milosevic, 25, is still third choice at Leeds following the emergence of Scott Carson and is yet to play a first-team game for Leeds but has Nationwide League experience under his belt after spending time on loan at Plymouth Argyle and Crewe Alexandra.