Reese finished with a career-high 19 points and 12 rebounds.
The Terps guard recovered from injury and came to College Park with his mother by his side.
The Terps's 2023 class is ranked No. 9 by ESPN, and a host of other programs announce signees that are set to join teams next year.
The Terps were out-rebounded in the first half by the Purple Eagles, but Donta Scott impressed throughout the night, draining four of five three-pointers.
The victory marked the Terps' 46th consecutive home-opener win in coach Kevin Willard's first game.
Location: Xfinity Center, College Park, Maryland Opponent: Niagara Purple Eagles (0-0) Tipoff: Nov. 7, 2022, 7:00 p.m. EST Last…
Willard said the forward lost about 25 pounds in order to play expanded minutes at a potentially higher tempo.
Breaking down the Terps' new players ahead of coach Kevin Willard's inaugural season.
The Terps' coach spoke about the importance of local recruiting and involving past players during media day.
Coach Willard made sure players such as Donta Scott, Hakim Hart and Julian Reese could have roles in the new-look squad.