Man Utd were well-beaten by Chivas in the SuperCupNI Globe Final.
Lech Poznań defender Łukasz Bejger will have a trial at Manchester United this summer from July 31-August 5.
Northern Ireland under-17 captain Ethan Galbraith is set to sign a three-year deal at Manchester United this weekend.
The Reds travel to play at St. Andrews on Saturday.
Goals from Kyle Wych and Teden Mengi secured a comfortable 3-0 win at stadium:mk in front of 3,000 people.