College basketball scores, opening night winners and losers: UCLA upsets No. 5 Arizona; No. 3 Illinois rolls

UCLA pulled off a significant upset by defeating No. 5 Arizona on college basketball's opening night, renewing their former Pac-12 rivalry. No. 3 Illinois also made a strong statement with a commanding victory in their season opener. The results highlighted an exciting start to the college basketball season, with top-ranked teams facing early challenges.