Hayward, who entered the game averaging six points per game, had 13 in the first half before fouling out late in the second.
Dominic James added 18 points and Wesley Matthews had 16 points for the Golden Eagles (22-7, 9-5 Big East), who snapped a three-game losing streak. Marquette made all 16 of its free throws in the final 5:58 of the game. Matthews was 12-for-12 from the free throw line.
NO. 10 PITTSBURGH 71, SETON HALL 68
In East Rutherford, N.J., Levance Fields scored seven of his 15 points in the final 2 minutes to help the short-handed Panthers.
Levon Kendall had 14 points and eight rebounds and Sam Young added 11 points for the Panthers (24-4, 11-2 Big East), who were without injured 7-foot center Aaron Gray.
The victory was the 100th for Pittsburgh coach Jamie Dixon (100-26), who reached the milestone faster than any coach in school history.
NO. 15 BUTLER 68, WIS.-GREEN BAY 58
In Green Bay, Wis., A.J. Graves scored 20 points, Brandon Crone added 17 and No. 15 Butler beat Wisconsin-Green Bay.
The Bulldogs (25-4, 12-2 Horizon League) battled through a physical game after they had lost two of their previous three in the past nine days.
Green Bay (16-13, 7-8) had won four of its previous five.
AP TOP 25: Get ready for another 1 vs. 2 showdown in the Big Ten - this time on the hardwood.
Wisconsin was the new No. 1 in The Associated Press Top 25 poll on Monday and Big Ten rival Ohio State was not far behind at No. 2.
The Badgers (26-2, 12-1), on top of the poll for the first time in school history, play the Buckeyes (24-3, 12-1) in Columbus on Sunday - just a bit more than three months after Ohio State and Michigan played a much-hyped 1 vs. 2 football game at Ohio Stadium.
No. 3 Florida's 83-70 loss at Vanderbilt on Saturday snapped the Gators' 17-game winning streak and dropped them from the top spot in the media poll for the second time this season.