Maryland is the No. 1 seed in the Raleigh region of the NCAA tournament after winning the Atlantic Coast Conference regular season and tournament titles.
The Terps (28-4), who won the national title in 2006, will face Ivy League champion Dartmouth on Sunday at home in the opening round.
Connecticut, trying to achieve the fifth perfect season in NCAA history, was expected to be announced as the No. 1 overall seed later Monday.
Nine teams have entered the NCAA tournament unbeaten, and only four have emerged unscathed. UConn was the last in 2002.
The field went back to 16 first and second round sites for the first time since 2004, when it set an attendance record. The Final Four is scheduled for the Scottrade Center in St. Louis on April 5 and 7.
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