Nick Leon scored 15 points and Jeron Belin added 13 as Saint Peter's routed Marist 62-39 on Friday night.
The Peacocks (16-12, 11-6 Metro Atlantic Athletic Conference), coming off a 77-75 overtime loss to Buffalo, never trailed and held the Red Foxes to only one point in the first 4:52.
Saint Peter's led 20-3 with 10:31 to go in the first half and went into the break ahead 36-14. The Peacocks led by as many as 34 in the second half en route to sweeping the season series.
Devin Price scored 12 points to lead Marist (1-27, 1-16), which had its second-lowest scoring output of the season. The Red Foxes lost to Hartford 75-38 on Nov. 18.
Saint Peter's held a 38-28 rebounding edge and was 8-for-21 from beyond the arc while Marist was 3-for-15.
The Peacocks shot 40 percent from the field (22-for-55) compared to 30.2 percent (13-for-43) for the Red Foxes.