The fourth round of the US Open Cup continues on Tuesday night with six MLS teams in action. This thread will serve as a home for all tonight's action, and you will be able to find links to MatchCenters, free live streams, and live updates from the games as they happen (below). For a complete preview of tonight's action, be sure to check out Tuesday's US Open Cup previews.
Philadelphia Union 3, Harrisburg City Islanders 1 (AET)
Rochester Rhinos 1, D.C. United 0
Columbus Crew 2, Indy Eleven 1 (AET)
FC Dallas 2, San Antonio Scorpions 0
Colorado Rapids 5, Orlando City SC 2
Portland Timbers vs. Orlando City U-23s – 10:30 pm ET