19
15
Two
34
Michigan
Michigan State Spartans
Texas
The NCAA Division I football team that holds the record for the most consecutive losing seasons is the University of New Mexico. The Lobos experienced 14 consecutive losing seasons from 2005 to 2018. This stretch has been marked by struggles both on and off the field, impacting their overall performance and recruitment efforts.
The record for consecutive league championships in the NFL is 3 and has been done twice by the Green Bay Packers, first between the 1929 and 1931 seasons and second between the 1965 and 1967 seasons.
Dallas Cowboys. 20 consecutive winning seasons.
Michigan's worst seasons were 1934 and 1936, each with one win. http://vielmetti.typepad.com/vacuum/2008/11/worst-season-ever---michigan-2008-football.html
Geelong over 2 seasons won the most consecutive games. 1963 / 64