Turgeon's contract will pay $17.5 million over five years.
Nelson drove in three runs to lead the way for the Wildcats.
Marial averaged 1.3 points and 1.3 rebounds while playing under six minutes per game this season.
The Crimson Tide hit 16 threes to dash the Terps' Sweet 16 hopes.
“Our talent level’s not where it’s been. But our toughness is at an all-time high.”
The Terps held the Huskies to 32.3 percent shooting.
The Terps faced 10 tournament-bound teams in the regular season.
Maryland will face No. 7-seed UConn in its first-round game Saturday.
Mike Smith scored 18 points and added 15 assists for the Wolverines.
The Terps trailed the Spartans by 12 after 10 minutes.