The Rams' 32-25 halftime margin fell to 40-39 with 11:10 left.
They did not hit their first until late in the first half of the game, which contributed to a 44-17 halftime margin.
Phoenix parlayed a 10-point halftime margin into a 20-point bulge with 3 minutes 31 seconds left in the third quarter.
The game stayed close until midway through the first half, when Minnesota turned a 6-point lead into a 32-point halftime margin.
Eight possessions passed before Maryland scored its first basket and North Carolina moved to a 38-14 halftime margin.
The Eagles' biggest lead of the half was 13 points, 40-27, before Barrett converted a basket and a free throw for the halftime margin.
By halftime, the 49ers had built a 20-0 lead, the largest halftime margin in Super Bowl history, at the time.
The 10-point deficit Kentucky overcame was the largest halftime margin ever erased to win a title in the 60-year history of the tournament.
Iona never trailed, jumping out to a 6-0 advantage and building a 38-26 halftime margin.
Dembo sank three of four 3-point shots in the first half as the Cowboys jumped out to an 11-2 lead and rolled to a 46-18 halftime margin.