#DCU always comes out swingin' when Philly is in town. Don't miss #DCvPHI on September 27: http://t.co/FI7jzRc6Bq pic.twitter.com/qrzWgHiMCk

WATCH: VW Keys to the Match vs Vancouver

Goalkeeping Coach Preston Burpo explains D.C. United's game-plan

Check out our new format for VW Keys to the Match. Each week, a D.C. United assistant coach will explain the Keys for every match, home and away. Enjoy the first segment brought to you by Goalkeeping Coach Preston Burpo for tomorrow's match against Vancouver Whitecaps FC.