As the Duquesne men’s basketball team began celebrating a 71-67 win over No. 6 BYU at the CHI Health Center Arena in Omaha, Neb., and students and alumni reveled in ending a 55-year stretch without an NCAA Tournament victory, the Dukes’ No. 1 fan took to X to congratulate his high school coach and the latest Cinderella team in March Madness.