Due to Merrimack's ineligibility as a team transitioning from Division II, Fairleigh Dickinson represented the conference in the 2023 NCAA tournament and advanced to the second round.

[23][24] In a November 15 game dubbed the Battle of the Bracket Busters, Fairleigh Dickinson hosted Saint Peter's, a team which made an unexpected run of its own to the Elite Eight at the 2022 NCAA tournament, upsetting both the No.

DeVante Jamison, who finished with 11 points, five assists and three steals, took the ensuing inbounds pass, dribbled up the floor and was fouled in the act of shooting with 2.3 seconds remaining.

[25][26] Nico Galette came off the bench to score 21 points, including the 1,000th of his career, on 9-for-11 shooting and pull down six rebounds to lead Sacred Heart to an 89–75 home win over Binghamton on November 21.

Cam Gregory was fouled in the act of shooting a three-pointer with 10.2 seconds remaining and hit all three free throws to erase Lehigh's two-point lead and provide the winning margin.

The Red Flash were led by freshmen Aaron "Ace" Talbert (12 points in 32 minutes off the bench) and Aidan Harris, who secured 15 boards, including the rebound on Lehigh's attempted game-winner in the closing seconds.

[31][32] That same evening, Central Connecticut registered the largest margin of victory by an NEC team in a road game in nearly two years, when they won, 79–51, at Army West Point.

[47][48] LIU, picked 7th in the pre-season coaches' poll and entering league play on a seven-game losing streak, shocked the NEC by winning their first two games of the conference season.

[49][50] Two days later, behind Eric Acker's 23 points and Tai Strickland's three key layups in heavy traffic in the closing three and one-half minutes, LIU earned a 73–68 win at Stonehill.

[50][55] Central Connecticut emerged from its January 15 showdown with Merrimack as the only NEC team unbeaten in league play by earning a 75–70 home victory over the Warriors.

Allan Jeanne-Rose, who had a game-high 24 points and pulled down eight rebounds for the Blue Devils, sank four free throws in the closing seconds to secure the victory for Central Connecticut.

With the Blue Devils holding a 69–67 lead, Darrick Jones Jr. and Mike DePersia hit back-to-back three-pointers to put Le Moyne ahead 73–69 with 1:52 on the clock.

[67][69] Central Connecticut overcame a nine-point deficit with four minutes to play to earn a 69–68 overtime victory against Wagner on January 27, to remain in the top spot in the NEC standings.

Kellen Amos hit a three-pointer to put the Blue Devils ahead, 69–68, with 51 seconds left in overtime, and the Seahawks were unable to score the rest of the way.

Cleary's attention-grabbing point total outshined the performance of Tai Strickland, who had a big follow-up game after his buzzer beater two nights earlier gave the Sharks a 63–60 win over Stonehill.

Each team followed with three empty possessions, until Miles Webb grabbed a rebound of a missed Blue Devils shot with seven seconds to go, but the Red Flash turned the ball over, and Central Connecticut held on for a 63–62 victory.

[75][76][77] In a February 3 matchup of the NEC's top two teams, Merrimack got 22 points and six assists from Jordan Derkack and moved into a first-place tie with Central Connecticut, beating the Blue Devils, 71–68 in North Andover.

A Kellen Amos steal led to Jordan Jones making a trip to the free-throw line, where he sank both shots to trim the lead to 70–68 with 26.9 seconds on the clock.

[78][79] Central Connecticut got a gorilla off their back on February 8, earning a home win over Sacred Heart, 77–70, and ending their 15-game losing streak against their in-state rivals.

[80][81] Merrimack found themselves in danger of falling out of a first-place tie with Central Connecticut, when they trailed, 66–55, with less than seven minutes remaining at LIU on February 8, in a game marred by a combined 57 fouls called.

[81][84][85] The February 8 wins by Central Connecticut and Merrimack combined with the loss by Stonehill clinched berths in the NEC tournament for the Blue Devils and Warriors.

Fairleigh Dickinson, Le Moyne, Wagner and LIU all secured berths in the NEC tournament, and Merrimack guaranteed themselves home-court advantage for the conference quarterfinals.

Adam "Budd" Clark sealed the deal, scoring the final six points of the contest for the Warriors, including the go-ahead jump shot with nine seconds left on the clock.

Todd Brogna had six points and career highs of 10 assists, eight rebounds and three steals for Stonehill, becoming the only Division I freshman this season to post those totals in those four statistical categories.

[90][94] The opening tip of Fairleigh Dickinson's February 15 game at LIU was delayed about 15 minutes as several of the Knights were stuck in an elevator that takes the players from the visiting locker room to the court at the Steinberg Wellness Center and had to be rescued by the New York City Fire Department.

[98] In a key matchup of teams battling to secure home-court advantage for their NEC quarterfinal games, Sacred Heart earned a 63–53 road win at Wagner on February 17.

[99] Kyle McGee was 8 for 11 from the floor and 4 for 4 from behind the arc to lead Sacred Heart to a 99–91 home victory over Fairleigh Dickinson on February 22, in a key matchup in the race for home-court advantage in the NEC quarterfinals.

A pair of free throws by Allan Jeanne-Rose gave the Blue Devils a lead, and Central Connecticut was 6 for 6 at the free-throw line in the final minute.

After a pair of charity tosses by Davonte Sweatman gave the Blue Devils a four-point lead with two seconds remaining, Nico Galette's buzzer-beating three-pointer completed the scoring.

[109][110] Jordan Derkack had 23 points and six assists, as Merrimack clinched at least a share their second straight NEC regular-season crown with a 74–55 victory at Fairleigh Dickinson on February 29.