1989–90 UNLV Runnin' Rebels basketball team
The Rebels finished the 1988–89 season 25–8, 16–2 in Big West play to win the regular season championship. They defeated UC Irvine, Cal State Fullerton, and New Mexico State to win the Big West Tournament championship. As a result, they received the conference's automatic bid to the NCAA Tournament as the No. 4 seed in the West region. They defeated Idaho, DePaul, and No. 1-seeded Arizona to advance to the Elite Eight where they lost to Seton Hall. UNLV won three of its tournament games by 30 points, but got a scare from Ball State in the regional semifinal, winning by just two points. In the 1990 Tournament - external_link_1external_link_2 !colspan=12 style=| Regular Season
! colspan=12 style=| Big West Tournament
! colspan=12 style=| NCAA Tournament
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Previous season
They finished the season 35–5, 16–2 in Big West play to win the regular season championship. They defeated Cal State Fullerton, Pacific, and Long Beach State to win the Big West Tournament championship. As a result, the received the conference's automatic bid to the NCAA Tournament as the No. 1 seed in the West region.