Here is what you need to know in order to follow along:

US Open Cup Scoreboard Here

MLSNet US Open Cup Scoreboard Here

USOpenCup.com Live Blog here


VIDEO/AUDIO Links

Video and audio links of tonight's matches courtesy of the best place online for US Open Cup information, www.USOpenCup.com.

All Times Eastern

U.S. Open Cup Quarterfinals

Crystal Palace Baltimore (USL-2) at New England Revolution (MLS)
Veterans Stadium, Willow Brook Park; New Britain, Conn. - 7:00 PM
Broadcast: Online Radio (New England)

Chicago Fire (MLS) at DC United (MLS)
Maryland SoccerPlex; Boyds, Md. - 7:30 PM
Broadcast: Spanish & English radio (DC United)

Charleston Battery (USL-1) at FC Dallas (MLS)
Pizza Hut Park; Frisco, Texas - 8:30 PM
Broadcast: Video (FC Dallas) Radio (no webcast): REAL 1340AM WQSC (Charleston)

Kansas City Wizards (MLS) at Seattle Sounders (USL-1)
Qwest Field; Seattle, Wash. - 10:00 PM
Broadcast: Video