The Blue Hens (32-3) trailed 50-42 with 15:31 left before coming back to extend their school-record winning streak to 27 games and eliminate No. 3 seed North Carolina (29-7).
KENTUCKY 84, DAYTON 70
In New York, A’dia Mathies rebounded from the worst game of her career to match her career high with 34 points and lead second-seeded Kentucky (29-5) over seventh-seeded Dayton (28-3).
NOTRE DAME 74, IOWA 57
In Iowa City, Iowa, Kayla McBride scored a career-high 28 points and top-seeded Notre Dame (33-1) advanced to the regional semifinals with a win over Iowa (21-13).
DUKE 68, OKLAHOMA STATE 59
In Durham, N.C., Elizabeth Williams had 16 points and 12 rebounds, and Duke (32-2) rallied to beat Oklahoma State (22-11).
OKLAHOMA CITY REGIONAL
BAYLOR 85, FLORIDA STATE 47
In Waco, Texas, Brittney Griner had 33 points and a career-high 22 rebounds to go with three highlight dunks, as the defending national champion Lady Bears (34-1) rolled past Florida State (23-10).
LOUISVILLE 76, PURDUE 63
In Louisville, Ky., Sara Hammond had 21 points and 10 rebounds to help fifth-seeded Louisville (26-8) beat Purdue (25-9) and advance to its second regional semifinal in three years.
STANFORD 73, MICHIGAN 40
In Stanford, Calif., Joslyn Tinkle made a career-high five 3-pointers on the way to 21 points in her final home game at Maples Pavilion, and top-seeded Stanford (33-2) routed No. 8 seed Michigan (22-11).
LOUISIANA STATE 71, PENN STATE 66
In Baton Rouge, La., Adrienne Webb scored a career-high 29 points, including two crucial free throws with 22 seconds left, and Louisiana State (22-11) beat third-seeded Penn State (26-6).