Anosike had 21 points and 12 rebounds to help Siena beat the Red Foxes for the 10th straight time. Evan Hymes and Rob Poole each added 15 points for the Saints (10-10, 5-5 Metro Atlantic Athletic Conference), who won at home for the sixth time in a row.
Marist trailed 36-27 at halftime and cut the deficit to 47-45 before the Saints pulled away. An 11-4 run by Siena pushed the lead to 58-49 with 3:17 to play, then the Saints made 8 of 10 free throws in the final 1:12 to seal the win.
The Red Foxes shot only 28.3 percent (17 of 60) from the field.
Chavaughn Lewis scored 21 points while T.J. Curry and Devin Price added 11 apiece for Marist (7-13, 2-7), which has lost six in a row.