Ohio State (32-2) is the overall No. 1 seed in the 2011 NCAA tournament bracket announced Sunday evening.

The No. 1 seeds in order are Ohio State (East), Kansas (Southwest), Pittsburgh (Southeast) and Duke (West). The East will play the West and the Southwest with play the Southeast.

NCAA TOURNAMENT BRACKET

FIRST FOUR (Dayton)

Tuesday, March 15

UNC Asheville vs. Arkansas-Little Rock

UAB vs. Clemson

Wednesday, March 16

Texas-San Antonio vs. Alabama State

USC vs. VCU

EAST (Newark)

Cleveland

Friday, March 18

No. 1 Ohio State vs. No. 16 Texas-San Antonio/Alabama State winner

No. 8 George Mason vs. No. 9 Villanova

Tampa

Thursday, March 17

No. 5 West Virginia vs. No. 12 UAB/Clemson winner

No. 4 Kentucky vs. No. 13 Princeton

Cleveland

Friday, March 18

No. 6 Xavier vs. No. 11 Marquette

No. 3 Syracuse vs. No. 14 Indiana State

Charlotte

Friday, March 18

No. 7 Washington vs. No. 10 Georgia

No. 2 North Carolina vs. No. 15 Long Island University

WEST (Anaheim)

Charlotte

Friday, March 18

No. 1 Duke vs. No. 16 Hampton

No. 8 Michigan vs. No. 9 Tennessee

Tulsa

Friday, March 18

No. 5 Arizona vs. No. 12 Memphis

No. 4 Texas vs. No. 13 Oakland

Washington, D.C.

Thursday, March 17

No. 6 Cincinnati vs. No. 11 Missouri

No. 3 UConn vs. No. 14 Bucknell

Tucson

Thursday, March 17

No. 7 Temple vs. No. 10 Penn State

No. 2 San Diego State vs. No. 15 Northern Colorado

SOUTHWEST (San Antonio)

Tulsa

Friday, March 18

No. 1 Kansas vs. No. 16 Boston University

No. 8 UNLV vs. No. 9 Illinois

Denver

Thursday, March 17

No. 5 Vanderbilt vs. No. 12 Richmond

No. 4 Louisville vs. No. 13 Morehead State

Chicago

Friday, March 18

No. 6 Georgetown vs. No. 11 USC/VCU winner

No. 3 Purdue vs. No. 14 Saint Peter's

Chicago

Friday, March 18

No. 7 Texas A&M vs. No. 10 Florida State

No. 2 Notre Dame vs. No. 15 Akron

SOUTHEAST (New Orleans)

Washington, D.C.

Thursday, March 17

No. 1 Pittsburgh vs. No. 16 UNC Asheville/Arkansas-Little Rock winner

No. 8 Butler vs. No. 9 Old Dominion

Tucson

Thursday, March 17

No. 5 Kansas State vs. No. 12 Utah State

No. 4 Wisconsin vs. No. 13 Belmont

Denver

Thursday, March 17

No. 6 St. John's vs. No. 11 Gonzaga

No. 3 BYU vs. No. 14 Wofford

Tampa

Thursday, March 17

No. 7 UCLA vs. No. 10 Michigan State

No. 2 Florida vs. No. 15 UC Santa Barbara