It didn’t happen in the MLS Cup playoffs or the Leagues Cup. The past three U.S. Open Cup matches left them red-faced, too. But on Wednesday, at the sixth time of asking, New York City FC finally beat the Red Bulls in an elimination game, taking a 3-1 victory in the Open Cup at Sports Illustrated Stadium to reach the last eight of the tournament. With the Red Bulls youth movement on the other side — 18-year-old Julian Hall scored and 17-year-olds Adri Mehmeti and Matthew Dos Santos started — it was the gray-haired Maxi Moralez who unlocked the rival defense with three carbon-copy assists from the corner flag. Maxi Moralez, who had three assists, makes a play as Robert Voloder defends during the first half of NYCFC’s 3-1 win over the Red Bulls on April 29, 2026 in Harrison, N.J. Noah K. Murray / New York Post “I’m very happy for everybody that loves our club… [at the] end of the day, we play the game for them,” NYCFC head coach Pascal Jansen told The Post of his team’s achievement.…