Islanders host Sabres at 7 p.m. with chance to clinch playoff berthNew York can cap surprising regular season by returning to postseason for first time since 2015-163/28/2019, 10:14 PMMar 5, 2019; Uniondale, NY, USA; New York Islanders center Brock Nelson (29) celebrates his goal against the Ottawa Senators with teammates during the first period at Nassau Veterans Memorial Coliseum. Mandatory Credit: Brad Penner-USA TODAY Sports / Brad Penner