The Capitals' parade to the penalty box led to four power-play goals by the Flyers in Barry Trotz's first preseason loss.
Capitals take a 2-0 lead against the Flyers on seeing-eye shot by John Erskine with Chris Brown crashing the net.
Evgeny Kuznetsov and Jakub Vrana among Caps prospects making preseason debuts tonight in Philadelphia
The battle for ice time will resume for the Capitals when they visit the Flyers tonight in Philadelphia. Catch the action on CSN at 7 p.m.
Rookie Andre Burakovsky scores the game-winner in a close contest.