NCAA Division I tournament

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Regionals

Regional seeding listed with each team

(TV coverage in parentheses)

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Sioux Falls, S.D. regional

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Thursday’s games

No. 1 Boston University (26-9-2) vs. No. 4 RIT (27-10-2), late

No. 2 Minnesota (22-10-5) vs. No. 3 Nebraska-Omaha (23-12-4), late

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Saturday’s game

Thursday’s winners, 6:30 p.m. EDT (ESPNU)

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Springfield, Mass., regional

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Thursday’s games

No. 1 Denver (28-9-3) vs. No. 4 Massachusetts (20-13-3), late

No. 2 Maine (23-11-2) vs. No. 3 Cornell (21-6-6), late

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Saturday’s game

Thursday’s winners, 4 p.m. (ESPN2)

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Providence, R.I., regional

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TODAY’S GAMES

No. 1 Boston College (31-5-1) vs. No. 4 Michigan Tech (19-14-6), 2 p.m. (ESPNU)

No. 2 Wisconsin (26-11-2) vs. No. 3 Quinnipiac (26-9-2), 5:30 p.m. (ESPN News)

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Sunday’s game

Friday’s winners, 4 p.m. (ESPN2)

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Maryland Heights, Mo., regional

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TODAY’S GAMES

No. 1 Michigan State (24-9-3) vs. No. 4 Western Michigan (21-15-1), 5 p.m. EDT (ESPNU)

No. 2 North Dakota (26-11-2) vs. No. 3 Michigan (21-14-3), 8:30 p.m. EDT (ESPNU)

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Sunday’s game

Friday’s winners, 6:30 p.m. EDT (ESPN2)

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Frozen Four

National semifinals & finals

at St. Paul, Minn., Xcel Energy Center

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Semifinals — Thursday, April 11

Providence regional winner vs. Maryland Heights regional winner, time TBD (ESPN2)

Springfield regional winner vs. Sioux Falls regional winner, time TBD (ESPN2)

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National championship

Saturday, April 13

Semifinal winners, 6 p.m. EDT (ESPN2)