That lead quickly evaporated after intermission as Roxbury came out of the gates on a 13-0 run to even up the score at 50-all. The Warriors went the first 4:55 without scoring in the second half.
From there it was a classic back-and-forth affair, with the lead swaying back and forth.
Trailing by three points, Harris and Belezos buried back-to-back 3s with under two minutes to take a five-point lead, 82-77.
The Tigers (5-2, 5-2 R21) would pull within a single point, but Belezos took a late charge to help preserve the victory.
Minaya led Massasoit with 24 points, followed by Belezos (19) and Georges (15).
The Warriors finished with 11 made 3-pointers.
Roxbury was paced by Montez Lacombe's game-high 34 points.