NEW YORK -- Rob Robinson scored 16 points to lead Robert Morris to a 76-55 win over struggling Wagner on Thursday night.
Robert Morris, which never trailed, had its lead trimmed down to seven points when Wagner's Chris Martin hit a 3-pointer with 16:56 left in the second half.
But the Seahawks (4-26, 2-15), who have lost seven straight, pulled no closer as the Colonials answered with a 14-2 run, capped by Whitehead's jumper with 11:16 to play to push their lead to 55-36.
Martin and Tyler Murray led Wagner with 15 points apiece.
Robert Morris outrebounded the Seahawks 38-21. The Colonials also shot 51 percent from the floor (30-for-59) compared to Wagner, which shot 50 percent (23-for-46).