The Matadors jumped to a 5-1 lead, but Ndiaye made a dunk and a jumper, sparking a 16-0 run and a 36-29 halftime lead for UC Irvine.
Stephen Maxwell's jumper to open the second half pulled the Matadors to within five, but the Anteaters hit five 3-pointers and built a 10-point lead. The Matadors made it a three-point game on Maxwell's jumper with 1:54 to play, but Young made a layup and UC Irvine made seven free throws in the final 43 seconds to win.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.
Mike Brey is looking at former Notre Dame players to fill two assistant jobs that have opened up with the departures of Martin Ingelsby and Anthony Solomon.