| SEASONS |
# TEAMS |
NEW/RENAMED TEAMS |
FOLDED TEAMS |
RELOCATED TEAMS |
| 1970 |
26 |
Atlanta Falcons (NFL)
Baltimore Colts (NFL)
Chicago Bears (NFL)
Cleveland Browns (NFL)
Dallas Cowboys (NFL)
Detroit Lions (NFL)
Green Bay Packers (NFL)
Los Angeles Rams (NFL)
Minnesota Vikings
New Orleans Saints
New York Giants
Philadelphia Eagles
Pittsburgh Steelers
St. Louis Cardinals
San Francisco 49ers
Washington Redskins
Boston Patriots (AFL)
Buffalo Bills (AFL)
Cincinnati Bengals (AFL)
Denver Broncos (AFL)
Houston Oilers (AFL)
Kansas City Chiefs (AFL)
Miami Dolphins (AFL)
New York Jets (AFL)
Oakland Raiders (AFL)
San Diego Chargers (AFL) |
|
|
| 1971-1975 |
26 |
Boston > New England Patriots |
|
|
| 1976-1981 |
28 |
Seattle Seahawks
Tampa Bay Buccaneers |
|
|
| 1982-1983 |
28 |
|
|
Oakland Raiders > Los Angeles, CA |
| 1984-1987 |
28 |
|
|
Baltimore Colts > Indianapolis, IN |
| 1988-1993 |
28 |
|
|
St. Louis Cardinals > Phoenix, AZ |
| 1994 |
28 |
Phoenix Cardinals > Arizona Cardinals |
|
|
| 1995 |
29 |
Carolina Panthers
Jacksonville Jaguars |
Cleveland Browns (suspended) |
Los Angeles Raiders > Oakland
Los Angeles Rams > St. Louis |
| 1997 |
30 |
|
|
Houston Oilers > Tennessee (Memphis) |
| 1998 |
30 |
|
|
Tennessee Oilers (Nashville) |
| 1999-2001 |
31 |
Cleveland Browns
(re-activated) |
|
|
| 2002-2015 |
32 |
Houston Texans |
|
|
| 2016 |
32 |
|
|
St. Louis Rams > Los Angeles |
| 2017-2018 |
32 |
|
|
San Diego Chargers > Los Angeles |
| 2020-PRESENT |
32 |
|
|
Oakland Raiders > Las Vegas |
