On May 4, 2000, Philadelphia center Keith Primo scored in the fifth overtime, causing the Flyers to beat the Pittsburgh Penguins 2-1. The victory tied the NHL Eastern Conference semifinals 2-2.
The Flyers, who lost the first two games of the series before winning the third game (also in overtime), won the next two games and went out to play with the New Jersey Devils in the conference finals.
Boxing ratings: Semi-final games of the Eastern Conference Flyers-Penguins 2000 from hockey-reference.com
The Flyers lost to the Devils in seven games, leading the series 3-1.
Here’s Primo’s goal scored by Penguins goalkeeper Ron Tugnutt in 12 minutes and one second in fifth overtime.