The weekend clash will be played on Saturday as DC host New England with a record of bottom spot on the league with 10 points from 20 games.
D.C. are said to have conceded five goals in the last six league games, goal.com has reported.
Last weekend Sainey, who has so far made seven league appearances for DC, played for 61 minutes when D.C. United succumbed to a 4-1 loss at the hands of the Chicago Fire.
There was also a defeat for Abdoulie Mansally’s Real Salt Lake, who lost 2-1 to Sporting Kansas City.
Sanna Nyassi, whose side, Montreal Impact, drew goalless with FC Dallas last weekend, will play Sporting Kansas City.
Mamodou Danso’s Portland Timbers will play San Jose Earthquakes. The Timbers also had a goalless game against Philadelphia Union last weekend.
