ALBANY, N.Y. -- Chaz Williams made a layup with 4 seconds left to push Massachusetts to a 64-63 victory over Siena on Wednesday.
Williams led the Minutemen (3-2) with 23 points, and Terrell Vinson scored 18.
Siena held a 63-60 advantage with 2:04 remaining but did not score again. Jesse Morgan's layup with 51 seconds left pulled the Minutemen to 63-62.
Massachusetts took its first lead of the second half at 44-43 on Sampson Carter's jumper with 11:54 left.
The Saints led 34-24 at the break, outshooting the Minutemen from the field 52.4 percent (11 of 21) to 31.3 percent (10 of 28). Massachusetts scored the last five points of the half on William's 3-pointer and Vinson's layup with 7 seconds left to close the gap.
Maryland point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.