Eddie Johnson scores early, Bill Hamid stars in goal and United pulls within a point of first place in MLS's Eastern Conference.
United is seeking to win a fourth consecutive league match and keep pace with first-place Sporting Kansas City in the Eastern Conference.
Kofi Opare, a second-year center back, will add backline depth as Jeff Parke recovers from migraines.
The veteran defender recovered from a foot injury but remains out indefinitely with head issues.
Under a new proposal, Division I men's soccer would move from a fall schedule to a full academic-year calendar, enhancing player development.
Tips for fans planning to attend the match between Manchester United and Inter Milan at FedEx Field in Landover on Tuesday.
Top-ranked Americans will also play group matches in Kansas City and Chicago areas, with the aim of reaching the semis at PPL Park near Philadelphia.
With the No. 1 position in MLS's allocation order, the Dynamo can add 4-time U.S. World Cup player DaMarcus Beasley.
After 10 years abroad, the U.S. national team left back and midfielder is poised to return to Major League Soccer.
Former national team standout was fired in 2010 after Selecao lost in World Cup quarterfinals.