Markus Howard scored 40 of his 45 points in the second half and No. 20 Marquette handed No. 14 Buffalo its first loss of the season, winning 103-85 Friday in Milwaukee.
Howard, who was 1-for-7 in the first half, finished 12-for-25 from the floor, including 9-for-13 from beyond the arc, and 12-for-12 from the free-throw line. Sam Hauser added 18 points for the Golden Eagles (10-2), who hit 18 three-pointers on 29 attempts.
Jeremy Harris' 22 points led the Bulls (11-1), whose season-opening run was their best since 1930.
No. 8 Gonzaga 101, Denver 40: Brandon Clarke and Rui Hachimura each scored 23 points as the host Bulldogs (11-2) rolled over the undermanned Pioneers (5-9). Hachmiura sank all nine of his field-goal attempts and Clarke made 10 of 12 as Gonzaga shot 68 percent.
Louisiana State 75, No. 24 Furman 57: Tremont Waters had 20 points and seven assists, and the host Tigers (9-3) ended a dream start to the season for the Paladins (12-1), who have beaten Final Four teams Villanova and Loyola (Ill.).
Southern Miss 66, South Dakota 60: Cortez Edwards had 14 points and 11 rebounds and the Golden Eagles (8-4) came back to beat the host Coyotes (6-7).
Big Ten
Oklahoma 76, Northwestern 69 (OT): Kristian Doolittle scored three consecutive key baskets late in overtime, and the Sooners (11-1) beat the host Wildcats (8-4) for their seventh victory in a row.