EAST REGIONAL

Second Round

Today

Denver

Washington State (25-8) vs. Notre Dame (25-7), 4:40 p.m.

Sunday

Raleigh, N.C.

North Carolina (33-2) vs. Arkansas (23-11), 3:15 p.m.

Birmingham, Ala.

Tennessee (30-4) vs. Butler (30-3), 12:30 p.m.

Louisville (25-8) vs. Oklahoma (23-11), 30 minutes following

SOUTH REGIONAL

Second Round

Today

Denver

Pittsburgh (27-9) vs. Michigan State (26-8), 7:10 p.m.

Anaheim, Calif.

Stanford (27-7) vs. Marquette (25-9), 4:45 p.m.

Sunday

North Little Rock, Ark.

Texas (29-6) vs. Miami (23-10), 12:15 p.m.

Memphis (34-1) vs. Mississippi State (23-10), 30 minutes following

MIDWEST REGIONAL

Second Round

Today

Omaha, Neb.

Wisconsin (30-4) vs. Kansas State (21-11), 2:20 p.m.

Kansas (32-3) vs. UNLV (27-7), 30 minutes following

Sunday

Raleigh, N.C.

Georgetown (28-5) vs. Davidson (27-6), 12:40 p.m.

Tampa, Fla.

Siena (23-10) vs. Villanova (21-12), 12:40 p.m.

WEST REGIONAL

Second Round

Today

Washington

Duke (28-5) vs. West Virginia (25-10), 12:10 p.m.

Xavier (28-6) vs. Purdue (25-8), 30 minutes following

Anaheim, Calif.

UCLA (32-3) vs. Texas A&M (25-10), 7:15 p.m.

Sunday

Tampa, Fla.

San Diego (22-13) vs. Western Kentucky (28-6), 10:10 a.m.