like 15
the Detroit lions
The Detoit Lions went 0-16 in the 08-09 season
Through December 31, 2017, the Detroit Lions have lost 189 of 294 regular-season games played since 2000. They also lost postseason games after the 2011, 2014 and 2016 seasons.
He last played in 1995 winning a grey cup(CFL) with the Baltimore Stallions, not much of note from him since.
it depends on when last year was if 2009 17
Detroit Lions
7 BY:NODNARB
33
thirty three
Presently neither is competitive, but the Rams have a recent history of success (winning the Superbowl in 1999 and making the playoffs 1999-2001 and 2003-4) while the Lions have struggled to post winning seasons since 1970. In 2010 the Rams behind quarterback Sam Bradford raced to a strong season start while the Lions struggled.
The Detroit Lions.
If you mean "winning season" to mean, "won more games than they lost", it appears that the answer is 10 seasons since 1965.