Nnemkadi Ogwumike added 16 points and sister Chiney Ogwumike finished with 13 despite both being in foul trouble for Stanford.
Maryland 72, Louisville 68 - Laurin Mincy scored 24 points, Tianna Hawkins had 15 points and 14 rebounds, and the second-seeded Terrapins (30-4) squeezed past the seventh-seeded Cardinals (23-10) in College Park, Md.
Maryland trailed, 64-59, with six minutes left before closing with a 13-4 run and limiting Louisville to just one field goal.
South Carolina 72, Purdue 61 - Markeshia Grant scored 21 points, Ieasia Walker added 17 and the fifth-seeded Gamecocks (25-9) topped the fourth-seeded Boilermakers (25-9) in West Lafayette, Ind.
Brittany Rayburn scored 13 in her final game at Purdue. She finished her career with 1,795 points, good for sixth place in school history. KK Houser led the Boilermakers with 15.
Delle Donne getting ready. Elena Delle Donne knew she had officially arrived in the national spotlight when her roommate Meghan McLean woke her up early Monday morning in Little Rock, Ark.
"Kevin Durant just tweeted you," McLean said.
Delle Donne didn't stay in bed long after that.
"I almost had a heart attack," she said. "I was like, 'All right, I'm up, let's go!' "
Such is the life these days for the 6-foot-5 Delle Donne, whose name has been used by President Obama along with the Oklahoma City Thunder star in the last week.
The nation's leading scorer, Delle Donne added to her growing notoriety with a 39-point NCAA tournament debut in Sunday's 73-42 win over Arkansas-Little Rock.
Next up for Colonial Athletic Association champion Delaware is a second-round matchup on Tuesday night with the 11th-seeded Kansas Jayhawks (20-12), who advanced with a 57-49 win over former Big 12 rival Nebraska.
"They are very athletic, and I think they are playing their best basketball," Delaware coach Tina Martin said.