7 years
26
The Sens have never won a playoff series against the Leafs.
4
2003/2004 season was the last time they made the playoffs
14 (finished 15th in Eastern Conference)
14
5
The Cowboys have not reached the playoffs in a total of 19 seasons since their start in 1960.
The Yankees made the playoffs 14 times from 1995 to the present, including 13 straight years (1995-2007). They missed the playoffs in 2008 and then won the World Series in 2009.
4
Plenty for example the 2008 new england patriots who went 11-5 and missed the playoffs
2