Kyle Johnson scored six of his 17 points in overtime, including the go-ahead layup and four clinching free throws, as Long Island University outlasted Wagner 83-79 Thursday night.
The Northeast Conference-leading Blackbirds (21-5, 13-2) extended their winning streak to seven games and have won 15 of their past 16, including an 84-54 rout of the Seahawks on Jan. 15.
David Hicks led Long Island with 21 points and Julian Boyd had 15 points and 12 rebounds.
With the Blackbirds ahead 64-57 with 5:30 to go in regulation, Wagner used an 11-3 run to lead by one with 55 seconds left.
Long Island answered with four free throws, then Chris Martin's 3-pointer with 4 seconds to go forced OT.
After Naofall Folahan's layup and dunk gave the Seahawks a 75-72 lead, Hicks hit a 3, then Johnson scored with 1 minute left.
Latif Rivers led Wagner (13-13, 9-6) with 18 points.