The Royals, who are coming off a victory over Wisconsin-Platteville, are facing an opponent that is also 12-0 and has played in the past five title games.
The Terrapins used three steals, three layups and four free throws to complete a 10-0 run to close the game, denying the Gophers an upset at Williams Arena.
The defending national champion Bison gave up two touchdowns and a two-point conversion in the final three minutes and lost despite intercepting the Redbirds five times.
The Mavericks, who are traveling to play Ferris State in Big Rapids, Mich., on Saturday, are one of several local schools with key postseason games this weekend.