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Last Undefeated Team
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Last Undefeated Team
A season-by-season breakdown of the last undefeated team (or teams) in each league, including playoffs. This list indicates the teams who won the most games in a season before suffering their first loss.
Undefeated Teams
Undefeated Teams Table
Year
Lg
Tm
Record
First Loss
Final Record
Playoff Result
2023
NFL
Eagles
5-0-0
20-14 @ Jets
11-7-0
Lost WC
NFL
49ers
5-0-0
19-17 @ Browns
14-6-0
Lost SB
2022
NFL
Eagles
8-0-0
32-21 vs. Commanders
16-4-0
Lost SB
2021
NFL
Cardinals
7-0-0
24-21 vs. Packers
11-7-0
Lost WC
2020
NFL
Steelers
11-0-0
23-17 vs. Football Team
12-5-0
Lost WC
2019
NFL
Patriots
8-0-0
37-20 @ Ravens
12-5-0
Lost WC
NFL
49ers
8-0-0
27-24 vs. Seahawks
15-4-0
Lost SB
2018
NFL
Rams
8-0-0
45-35 @ Saints
15-4-0
Lost SB
2017
NFL
Chiefs
5-0-0
19-13 vs. Steelers
10-7-0
Lost WC
2016
NFL
Vikings
5-0-0
21-10 @ Eagles
8-8-0
Missed Playoffs
2015
NFL
Panthers
14-0-0
20-13 @ Falcons
17-2-0
Lost SB
2014
NFL
Bengals
3-0-0
43-17 @ Patriots
10-6-1
Lost WC
NFL
Cardinals
3-0-0
41-20 @ Broncos
11-6-0
Lost WC
NFL
Eagles
3-0-0
26-21 @ 49ers
10-6-0
Missed Playoffs
2013
NFL
Chiefs
9-0-0
27-17 @ Broncos
11-6-0
Lost WC
2012
NFL
Falcons
8-0-0
31-27 @ Saints
14-4-0
Lost Conf
2011
NFL
Packers
13-0-0
19-14 @ Chiefs
15-2-0
Lost Div
2010
NFL
Bears
3-0-0
17-3 @ Giants
12-6-0
Lost Conf
NFL
Chiefs
3-0-0
19-9 @ Colts
10-7-0
Lost WC
NFL
Steelers
3-0-0
17-14 vs. Ravens
14-5-0
Lost SB
2009
NFL
Colts
14-0-0
29-15 vs. Jets
16-3-0
Lost SB
2008
NFL
Titans
10-0-0
34-13 vs. Jets
13-4-0
Lost Div
2007
NFL
Patriots
18-0-0
17-14 @ Giants
18-1-0
Lost SB
2006
NFL
Colts
9-0-0
21-14 @ Cowboys
16-4-0
Won SB
2005
NFL
Colts
13-0-0
26-17 vs. Chargers
14-3-0
Lost Div
2004
NFL
Eagles
7-0-0
27-3 @ Steelers
15-4-0
Lost SB
2003
NFL
Chiefs
9-0-0
24-19 @ Bengals
13-4-0
Lost Div
2002
NFL
Raiders
4-0-0
28-13 @ Rams
13-6-0
Lost SB
NFL
Chargers
4-0-0
26-9 @ Broncos
8-8-0
Missed Playoffs
2001
NFL
Rams
6-0-0
34-31 vs. Saints
16-3-0
Lost SB
2000
NFL
Vikings
7-0-0
41-13 @ Buccaneers
12-6-0
Lost Conf
1999
NFL
Rams
6-0-0
24-21 @ Titans
16-3-0
Won SB
1998
NFL
Broncos
13-0-0
20-16 @ Giants
17-2-0
Won SB
1997
NFL
Broncos
6-0-0
28-25 @ Raiders
16-4-0
Won SB
1996
NFL
Colts
4-0-0
16-13 @ Bills
9-8-0
Lost WC
NFL
Chiefs
4-0-0
22-19 @ Chargers
9-7-0
Missed Playoffs
NFL
Vikings
4-0-0
15-10 @ Giants
9-8-0
Lost WC
1995
NFL
Cowboys
4-0-0
27-23 @ Redskins
15-4-0
Won SB
NFL
Dolphins
4-0-0
27-24 vs. Colts
9-8-0
Lost WC
NFL
Rams
4-0-0
21-18 @ Colts
7-9-0
Missed Playoffs
1994
NFL
Chargers
6-0-0
20-15 vs. Broncos
13-6-0
Lost SB
1993
NFL
Saints
5-0-0
37-14 @ Steelers
8-8-0
Missed Playoffs
1992
NFL
Dolphins
6-0-0
31-20 vs. Colts
12-6-0
Lost Conf
1991
NFL
Redskins
11-0-0
24-21 vs. Cowboys
17-2-0
Won SB
1990
NFL
Giants
10-0-0
31-13 @ Eagles
16-3-0
Won SB
NFL
49ers
10-0-0
28-17 vs. Rams
15-3-0
Lost Conf
1989
NFL
Rams
5-0-0
23-20 @ Bills
13-6-0
Lost Conf
1988
NFL
Bengals
6-0-0
27-21 @ Patriots
14-5-0
Lost SB
1987
NFL
Bears
4-0-0
19-17 vs. Saints
11-5-0
Lost Div
1986
NFL
Bears
6-0-0
23-7 @ Vikings
14-3-0
Lost Div
NFL
Broncos
6-0-0
22-10 @ Jets
13-6-0
Lost SB
1985
NFL
Bears
12-0-0
38-24 @ Dolphins
18-1-0
Won SB
1984
NFL
Dolphins
11-0-0
34-28 @ Chargers
16-3-0
Lost SB
1983
NFL
Cowboys
7-0-0
40-38 vs. Raiders
12-5-0
Lost WC
1982
NFL
Redskins
4-0-0
24-10 vs. Cowboys
12-1-0
Won SB
1981
NFL
Eagles
6-0-0
35-23 @ Vikings
10-7-0
Lost WC
1980
NFL
Bills
5-0-0
17-12 vs. Colts
11-6-0
Lost Div
1979
NFL
Buccaneers
5-0-0
17-14 @ Giants
11-7-0
Lost Conf
1978
NFL
Steelers
7-0-0
24-17 vs. Oilers
17-2-0
Won SB
NFL
Rams
7-0-0
10-3 vs. Saints
13-5-0
Lost Conf
1977
NFL
Cowboys
8-0-0
24-17 vs. Cardinals
15-2-0
Won SB
1976
NFL
Vikings
6-0-1
14-13 @ Bears
13-3-1
Lost SB
1975
NFL
Vikings
10-0-0
31-30 @ Redskins
12-3-0
Lost Div
1974
NFL
Cardinals
7-0-0
17-14 @ Cowboys
10-5-0
Lost Div
1973
NFL
Vikings
9-0-0
20-14 @ Falcons
14-3-0
Lost SB
1972
NFL
Dolphins
17-0-0
Undefeated
17-0-0
Won SB
1971
NFL
Redskins
5-0-0
27-20 @ Chiefs
9-5-1
Lost Div
1970
NFL
Broncos
3-0-0
35-23 @ Raiders
5-8-1
Missed Playoffs
NFL
Lions
3-0-0
31-10 @ Redskins
10-5-0
Lost Div
NFL
Rams
3-0-0
20-6 vs. 49ers
9-4-1
Missed Playoffs
1969
AFL
Raiders
6-0-1
31-17 @ Bengals
13-2-1
Lost Conf
1969
NFL
Rams
11-0-0
20-13 vs. Vikings
11-4-0
Lost Div
1968
AFL
Raiders
4-0-0
23-14 vs. Chargers
13-3-0
Lost Conf
1968
NFL
Cowboys
6-0-0
28-17 vs. Packers
12-3-0
Lost Div
NFL
Rams
6-0-0
27-10 @ Colts
10-3-1
Missed Playoffs
1967
AFL
Chargers
5-0-1
51-10 @ Raiders
8-5-1
Missed Playoffs
1967
NFL
Colts
11-0-2
34-10 @ Rams
11-1-2
Missed Playoffs
1966
AFL
Jets
4-0-1
24-0 @ Oilers
6-6-2
Missed Playoffs
1966
NFL
Cardinals
5-0-1
26-20 @ Redskins
8-5-1
Missed Playoffs
1965
AFL
Chargers
5-0-2
22-6 vs. Patriots
9-3-3
Lost Champ
1965
NFL
Packers
6-0-0
31-10 @ Bears
12-3-1
Won Champ
1964
AFL
Bills
9-0-0
36-28 vs. Patriots
13-2-0
Won Champ
1964
NFL
Browns
3-0-1
23-7 vs. Steelers
11-3-1
Won Champ
NFL
Cardinals
3-0-1
47-27 @ Colts
9-3-2
Missed Playoffs
1963
AFL
Chargers
3-0-0
50-34 @ Broncos
12-3-0
Won Champ
1963
NFL
Browns
6-0-0
33-6 vs. Giants
10-4-0
Missed Playoffs
1962
AFL
Texans
3-0-0
32-28 @ Chargers
12-3-0
Won Champ
1962
NFL
Packers
10-0-0
26-14 @ Lions
14-1-0
Won Champ
1961
AFL
Chargers
11-0-0
33-13 @ Oilers
12-3-0
Lost Champ
1961
NFL
Cowboys
2-0-0
25-7 @ Browns
4-9-1
Missed Playoffs
NFL
Lions
2-0-0
49-0 vs. 49ers
8-5-1
Missed Playoffs
NFL
Eagles
2-0-0
30-27 vs. Cardinals
10-4-0
Missed Playoffs
1960
AFL
Broncos
2-0-0
28-24 @ Titans
4-9-1
Missed Playoffs
AFL
Oilers
2-0-0
14-13 vs. Raiders
11-4-0
Won Champ
1960
NFL
Giants
3-0-1
20-13 vs. Cardinals
6-4-2
Missed Playoffs
1959
NFL
Packers
3-0-0
45-6 vs. Rams
7-5-0
Missed Playoffs
1958
NFL
Colts
6-0-0
24-21 @ Giants
10-3-0
Won Champ
1957
NFL
Browns
3-0-0
17-7 @ Eagles
9-3-1
Lost Champ
NFL
Colts
3-0-0
31-27 @ Lions
7-5-0
Missed Playoffs
1956
NFL
Lions
6-0-0
18-17 @ Redskins
9-3-0
Missed Playoffs
1955
NFL
Colts
3-0-0
38-10 @ Bears
5-6-1
Missed Playoffs
NFL
Rams
3-0-0
30-28 @ Packers
8-4-1
Lost Champ
1954
NFL
49ers
4-0-1
31-27 vs. Bears
7-4-1
Missed Playoffs
1953
NFL
Browns
11-0-0
42-27 @ Eagles
11-2-0
Lost Champ
1952
NFL
49ers
5-0-0
20-17 vs. Bears
7-5-0
Missed Playoffs
1951
NFL
Giants
3-0-1
14-13 @ Browns
9-2-1
Missed Playoffs
1950
NFL
Giants
3-0-0
17-6 vs. Steelers
10-3-0
Lost Div
1949
AAFC
Browns
4-0-1
56-28 @ 49ers
11-1-2
Won Champ
1949
NFL
Rams
6-0-0
38-14 @ Eagles
8-3-2
Lost Champ
1948
AAFC
Browns
14-0-0
Undefeated
14-0-0
Won Champ
1948
NFL
Bears
4-0-0
12-7 @ Eagles
10-2-0
Missed Playoffs
1947
AAFC
Browns
5-0-0
13-10 vs. Dons
13-1-1
Won Champ
1947
NFL
Cardinals
3-0-0
27-7 @ Rams
10-3-0
Won Champ
1946
AAFC
Browns
7-0-0
34-20 vs. 49ers
13-2-0
Won Champ
1946
NFL
Bears
3-0-1
14-0 @ Giants
9-2-1
Won Champ
NFL
Redskins
3-0-1
28-24 vs. Eagles
5-5-1
Missed Playoffs
1945
NFL
Rams
4-0-0
28-14 @ Eagles
10-1-0
Won Champ
1944
NFL
Eagles
5-0-2
28-7 vs. Bears
7-1-2
Missed Playoffs
1943
NFL
Bears
7-0-1
21-7 @ Redskins
9-1-1
Won Champ
1942
NFL
Bears
11-0-0
14-6 @ Redskins
11-1-0
Lost Champ
1941
NFL
Bears
5-0-0
16-14 vs. Packers
12-1-0
Won Champ
NFL
Giants
5-0-0
16-13 @ Dodgers
8-4-0
Lost Champ
1940
NFL
Redskins
7-0-0
16-14 @ Dodgers
9-3-0
Lost Champ
1939
NFL
Giants
5-0-1
18-14 @ Lions
9-2-1
Lost Champ
1938
NFL
Bears
3-0-0
14-7 @ Rams
6-5-0
Missed Playoffs
NFL
Redskins
2-0-1
10-7 vs. Giants
6-3-2
Missed Playoffs
1937
NFL
Bears
5-0-1
24-14 vs. Packers
9-2-1
Lost Champ
1936
NFL
Bears
6-0-0
21-10 vs. Packers
9-3-0
Missed Playoffs
1935
NFL
Cardinals
2-0-1
17-13 @ Pirates
6-4-2
Missed Playoffs
1934
NFL
Bears
13-0-0
30-13 @ Giants
13-1-0
Lost Champ
1933
NFL
Bears
6-0-0
10-0 @ Redskins
11-2-1
Won Champ
1932
NFL
Packers
8-0-1
6-0 @ Giants
10-3-1
1931
NFL
Packers
9-0-0
21-13 @ Cardinals
12-2-0
1930
NFL
Packers
8-0-0
13-6 @ Cardinals
10-3-1
1929
NFL
Packers
12-0-1
Undefeated
12-0-1
1928
NFL
Bears
2-0-1
16-6 vs. Packers
7-5-1
NFL
Wolverines
3-0-0
25-7 @ Yellow Jackets
7-2-1
NFL
Yellow Jackets
3-0-0
13-0 vs. Yankees
11-3-2
1927
NFL
Bears
5-0-1
26-6 @ Yankees
9-3-2
1926
NFL
Bears
11-0-2
7-6 @ Yellow Jackets
12-1-3
1925
NFL
Panthers
6-0-2
14-0 @ Bears
8-2-2
1924
NFL
Bulldogs
5-0-1
12-7 vs. Yellow Jackets
7-1-1
1923
NFL
Bulldogs
11-0-1
Undefeated
11-0-1
1922
NFL
Bulldogs
10-0-2
Undefeated
10-0-2
1921
APFA
All-Americans
9-0-2
10-7 @ Staleys
9-1-2
1920
APFA
Pros
8-0-3
Undefeated
8-0-3
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