NHL

Friday’s results

Regular season

New Jersey 4, Buffalo 1

Preseason

Ducks 3, San Jose 2, OT

Pittsburgh 7, Columbus 3

Carolina 2, Tampa Bay 1, OT

N.Y. Islanders 5, N.Y. Rangers 2

Ottawa 4, Detroit 3, OT

Minnesota 6, Chicago 1

Winnipeg 3, Calgary 2

Vancouver 4, Edmonton 1