The game featured two of the 11 teams in the nation with at least 16 wins. UNCG (17-3, 6-1 Southern) extended its road record to 8-2 and East Tennessee State (16-5, 6-2) lost its first home game in 11 tries.
Allegri was 5 of 6 from 3-point range for a career-high in points and Alonso hit 3 of 8 as UNCG was 11 of 22.
Kyrin Galloway scored 14 points for UNCG and James Dickey had 10 points, nine rebounds and four blocks. Dickey needed just three blocks to surpass former teammate RJ White (142) for third most in program history.
St. Mary's come up short in first round defeat to Villanova
Despite shooting well from behind the arc, St. Mary's fell short in a hard-fought 61-57 defeat against defending NCAA Tournament champion Villanova.
Samuels crushes dunk to seal Villanova's win
With a minute remaining in the game, Jermaine Samuels hammers down a dunk to seal Villanova's win over Saint Mary's.
Defending champ Villanova survives 61-57 over Saint Mary's
Phil Booth scored 20 points and defending NCAA Tournament champion Villanova held off Saint Mary's in a hard-fought 61-57 victory on Thursday night.