And the former Everton and Manchester United man played a part in two second-half goals as DC wrapped up a 3-1 home win.
Rooney was involved in the move that set up Paul Arriola’s 69th-minute finish, then the former England skipper claimed his first MLS assist as he teed up Arriola for his second with 10 minutes to go.
Young star Alphonso Davies netted a brilliant stoppage-time consolation for the Whitecaps, but it was DC’s day, as United and Rooney celebrated victory in the first game played at their new stadium.