The win ended the Wizards' three-match losing streak.
Stand-in goalkeeper Bo Oshoniyi was inserted into the Wizards' starting lineup after regular No. 1 Tony Meola suffered a right Achilles strain in pre-game warmups.
The Wizards fought back from an early Taylor Twellman strike to grab the lead thanks to Wolff's 37th- minute strike and Arnaud's game-winner in the 66th minute and ended New England's seven-match unbeaten run.
Celebrity Families of 2014 [PHOTOS]