sfo,San Francisco 49ers,1946-2020,1,,,,,
chi,Chicago Bears,1922-2020,1,,,,,
cin,Cincinnati Bengals,1968-2020,1,,,,,
buf,Buffalo Bills,1960-2020,1,,,,,
den,Denver Broncos,1960-2020,1,,,,,
cle,Cleveland Browns,1946-2020,1,,,,,
tam,Tampa Bay Buccaneers,1976-2020,1,,,,,
crd,Arizona Cardinals,1994-2020,1,,,,,
sdg,Los Angeles Chargers,1960-2020,1,,,,,
kan,Kansas City Chiefs,1963-2020,1,,,,,
clt,Indianapolis Colts,1984-2020,1,,,,,
dal,Dallas Cowboys,1960-2020,1,,,,,
mia,Miami Dolphins,1966-2020,1,,,,,
phi,Philadelphia Eagles,1933-2020,1,,,,,
atl,Atlanta Falcons,1966-2020,1,,,,,
was,Washington Football Team,2020,1,,,,,
nyg,New York Giants,1925-2020,1,,,,,
jax,Jacksonville Jaguars,1995-2020,1,,,,,
nyj,New York Jets,1963-2020,1,,,,,
det,Detroit Lions,1934-2020,1,,,,,
gnb,Green Bay Packers,1921-2020,1,,,,,
car,Carolina Panthers,1995-2020,1,,,,,
nwe,New England Patriots,1971-2020,1,,,,,
rai,Las Vegas Raiders,2020,1,,,,,
ram,Los Angeles Rams,1946-2020,1,,,,,
rav,Baltimore Ravens,1996-2020,1,,,,,
nor,New Orleans Saints,1967-2020,1,,,,,
sea,Seattle Seahawks,1976-2020,1,,,,,
pit,Pittsburgh Steelers,1940-2020,1,,,,,
htx,Houston Texans,2002-2020,1,,,,,
oti,Tennessee Titans,1999-2020,1,,,,,
min,Minnesota Vikings,1961-2020,1,,,,,
uti,Utica K. of C. ,1920,0,,,,,
abu,All Buffalo ,1920,0,,,,,
ftp,Fort Porter ,1920,0,,,,,
wgc,Washington Glee Club ,1920,0,,,,,
zan,Zanesville Mark Gray ,1920,0,,,,,
atn,All Tonawanda ,1920,0,,,,,
rck,Rockford A.C. ,1920,0,,,,,
log,Logan Square ,1920,0,,,,,
uap,Union A.A. ,1920,0,,,,,
wbu,West Buffalo ,1920,0,,,,,
lan,Lansing Oldsmobile ,1920,0,,,,,
bff,Buffalo All-Americans,1920-1923,0,,,,,
sla,St. Louis All-Stars,1923,0,,,,,
ric,Richmond Athletics,1920,0,,,,,
ely,Elyria Athletics,1920,0,,,,,
mil,Milwaukee Badgers,1922-1926,0,,,,,
bba,Buffalo Bills,1947-1949,0,,,,,
bff,Buffalo Bisons,1924-1929,0,,,,,
bba,Buffalo Bisons,1946,0,,,,,
kcb,Kansas City Blues,1924,0,,,,,
hrt,Hartford Blues,1926,0,,,,,
chb,Chicago Boosters,1920,0,,,,,
was,Boston Braves,1932,0,,,,,
lou,Louisville Brecks,1921-1923,0,,,,,
ng1,New York Brickley Giants,1921,0,,,,,
lab,Los Angeles Buccaneers,1926,0,,,,,
ptb,Boston Bulldogs,1929,0,,,,,
nyy,New York Bulldogs,1949,0,,,,,
cbd,Canton Bulldogs,1920-1926,0,,,,,
cib,Cleveland Bulldogs,1924-1927,0,,,,,
crd,St. Louis Cardinals,1960-1987,0,,,,,
crd,Chicago Cardinals,1920-1959,0,,,,,
crd,Phoenix Cardinals,1988-1993,0,,,,,
pit,Chi/Pit Cards/Steelers,1944,0,,,,,
crd,Chi/Pit Cards/Steelers,1944,0,,,,,
ccl,Cincinnati Celts,1921,0,,,,,
cnc,Cincinnati Celts,1920,0,,,,,
sdg,San Diego Chargers,1961-2016,0,,,,,
wja,Washington and Jeffe Collegians,1920,0,,,,,
lou,Louisville Colonels,1926,0,,,,,
clt,Baltimore Colts,1953-1983,0,,,,,
bcl,Baltimore Colts,1947-1950,0,,,,,
kcb,Kansas City Cowboys,1925-1926,0,,,,,
ecg,Evansville Crimson Giants,1921-1922,0,,,,,
bkn,Brooklyn Dodgers,1930-1943,0,,,,,
bda,Brooklyn Dodgers,1946-1948,0,,,,,
lda,Los Angeles Dons,1946-1949,0,,,,,
phi,Phi/Pit Eagles/Steelers,1943,0,,,,,
pit,Phi/Pit Eagles/Steelers,1943,0,,,,,
gar,Gary Elks,1920,0,,,,,
dul,Duluth Eskimos,1926-1927,0,,,,,
mun,Muncie Flyers,1920-1921,0,,,,,
ftw,Fort Wayne Friars,1920,0,,,,,
gun,St. Louis Gunners,1934,0,,,,,
dhr,Detroit Heralds,1920,0,,,,,
cra,Chicago Hornets,1949,0,,,,,
stp,St. Paul Ideals,1920,0,,,,,
rii,Rock Island Independents,1920-1925,0,,,,,
cti,Cleveland Indians,1921,0,,,,,
cib,Cleveland Indians,1923,0,,,,,
cli,Cleveland Indians,1931,0,,,,,
akr,Akron Indians,1926,0,,,,,
oor,Oorang Indians,1922-1923,0,,,,,
rch,Rochester Jeffersons,1920-1925,0,,,,,
ton,Tonawanda Kardex,1921,0,,,,,
dul,Duluth Kelleys,1923-1925,0,,,,,
rac,Racine Legion,1922-1924,0,,,,,
chl,Champaign Legion,1920,0,,,,,
brl,Brooklyn Lions,1926,0,,,,,
mnm,Minneapolis Marines,1920,0,,,,,
mnn,Minneapolis Marines,1921-1924,0,,,,,
tlm,Toledo Maroons,1920,0,,,,,
tol,Toledo Maroons,1922-1923,0,,,,,
ptb,Pottsville Maroons,1925-1928,0,,,,,
dtm,Detroit Maroons,1920,0,,,,,
ken,Kenosha Maroons,1924,0,,,,,
oti,Houston Oilers,1960-1996,0,,,,,
oti,Tennessee Oilers,1997-1998,0,,,,,
mck,McKeesport Olympics,1920,0,,,,,
col,Columbus Panhandles,1920-1922,0,,,,,
dpn,Detroit Panthers,1925-1926,0,,,,,
clp,Cleveland Panthers,1920,0,,,,,
nwe,Boston Patriots,1960-1970,0,,,,,
cwp,Columbus Wagner Pirates,1920,0,,,,,
pit,Pittsburgh Pirates,1933-1939,0,,,,,
ham,Hammond Pros,1920-1926,0,,,,,
akr,Akron Pros,1920-1925,0,,,,,
ptq,Pitcairn Quakers,1920,0,,,,,
rai,Los Angeles Raiders,1982-1994,0,,,,,
rai,Oakland Raiders,1960-2019,0,,,,,
ram,St. Louis Rams,1995-2015,0,,,,,
ram,Cleveland Rams,1937-1945,0,,,,,
bff,Buffalo Rangers,1926,0,,,,,
mnn,Minneapolis Red Jackets,1929-1930,0,,,,,
red,Cincinnati Reds,1933-1934,0,,,,,
was,Washington Redskins,1937-2019,0,,,,,
was,Boston Redskins,1933-1936,0,,,,,
cra,Chicago Rockets,1946-1948,0,,,,,
ros,Rochester Scalpers,1920,0,,,,,
msa,Miami Seahawks,1946,0,,,,,
sen,Washington Senators,1921,0,,,,,
det,Portsmouth Spartans,1930-1933,0,,,,,
chi,Chicago Staleys,1921,0,,,,,
chi,Decatur Staleys,1920,0,,,,,
sis,Staten Island Stapletons,1929-1932,0,,,,,
syr,Syracuse Stars,1920,0,,,,,
cst,Chicago Stayms,1920,0,,,,,
prv,Providence Steam Roller,1925-1931,0,,,,,
whe,Wheeling Stogies,1920,0,,,,,
dtx,Dallas Texans,1952,0,,,,,
kan,Dallas Texans,1960-1962,0,,,,,
pul,Pullman Thorns,1920,0,,,,,
cht,Chicago Tigers,1920,0,,,,,
dti,Detroit Tigers,1921,0,,,,,
bkn,Brooklyn Tigers,1944,0,,,,,
col,Columbus Tigers,1923-1926,0,,,,,
cti,Cleveland Tigers,1920,0,,,,,
nyj,New York Titans,1960-1962,0,,,,,
tor,Orange Tornadoes,1929,0,,,,,
tor,Newark Tornadoes,1930,0,,,,,
rac,Racine Tornadoes,1926,0,,,,,
tho,Thorn Tornados,1920,0,,,,,
day,Dayton Triangles,1920-1929,0,,,,,
mut,Moline Universal Tractors,1920,0,,,,,
kew,Kewanee Walworths,1920,0,,,,,
dwl,Detroit Wolverines,1928,0,,,,,
naa,New York Yankees,1946-1949,0,,,,,
nya,New York Yankees,1927-1928,0,,,,,
nyy,New York Yanks,1950-1951,0,,,,,
byk,Boston Yanks,1944-1948,0,,,,,
byk,Bos/Bkn Yanks/Tigers,1945,0,,,,,
fyj,Frankford Yellow Jackets,1924-1931,0,,,,,