Warzycha slots Gaven into the starting lineup on the right and Dominic Oduro moves up top for the absent Jairo Arrieta.
Aaron Schoenfeld makes his first appearance of the year in the 18. The full bench follows: Matt Lampson, Chad Barson, Tony Tchani, Matias Sanchez, Ethan Finlay, Aaron Schoenfeld, Ryan Finley.
The D.C. United starters: Bill Hamid; James Riley, Daniel Woolard, Brandon McDonald, Chris Korb; Nick DeLeon, Perry Kitchen, Dwayne De Rosario, Chris Pontius; Rafael, Lionard Pajoy.