On April 27, 1994, during the fourth overtime of a scoreless Game 6 of a playoff series at the Buffalo Memorial Auditorium, he backhanded a shot past New Jersey's Martin Brodeur to force Game 7 in New Jersey. Hannan's final NHL season was 1996–97, in which he played 34 games with the Ottawa Senators before retiring.
On April 27, 1994, during the fourth overtime of a scoreless Game 6 in a playoff series at the Buffalo Memorial Auditorium, he redirected a shot past New Jersey's Martin Brodeur to force Game 7 in New Jersey. Hannan's final NHL season was 1996–97, in which he played 34 games with the Ottawa Senators before retiring.