<P> The Green Bay Packers won the most NFL championships before the merger, winning eleven of the fifty championships . The Packers were also the only team to win three straight championships, an achievement they accomplished twice: from 1929--31 and from 1965--67 . The Chicago Bears won a total of eight titles, and the Cleveland Browns, Detroit Lions, and New York Giants each won four . The Bears recorded the largest victory in a championship game, defeating the Washington Redskins 73--0 in the 1940 NFL Championship Game; six other title games ended in a shutout as well . The Philadelphia Eagles recorded two consecutive shutouts in 1948 and 1949 . New York City hosted the most championship games (eight), while the highest - attended title game was the 1955 NFL Championship Game, where 85,693 fans showed up in Los Angeles to watch the Browns beat the Rams 38--14 . </P> <P> Champion determined by win--loss percentage . The number in parentheses indicates the number of championships the franchise had won to that point . </P> <Table> <Tr> <Th> Season </Th> <Th> Champion </Th> <Th> Wins </Th> <Th> Losses </Th> <Th> Ties </Th> <Th> Pct . </Th> <Th> Runner - up </Th> <Th> Wins </Th> <Th> Losses </Th> <Th> Ties </Th> <Th> Pct . </Th> <Th> Ref . </Th> </Tr> <Tr> <Td> 1920 </Td> <Td> Akron Pros * </Td> <Td> 8 </Td> <Td> 0 </Td> <Td> </Td> <Td> 1.000 </Td> <Td> Decatur Staleys </Td> <Td> 10 </Td> <Td> </Td> <Td> </Td> <Td>. 909 </Td> <Td> </Td> </Tr> <Tr> <Td> 1921 </Td> <Td> Chicago Staleys * </Td> <Td> 9 </Td> <Td> </Td> <Td> </Td> <Td>. 900 </Td> <Td> Buffalo All - Americans </Td> <Td> 9 </Td> <Td> </Td> <Td> </Td> <Td>. 900 </Td> <Td> </Td> </Tr> <Tr> <Td> 1922 </Td> <Td> Canton Bulldogs </Td> <Td> 10 </Td> <Td> 0 </Td> <Td> </Td> <Td> 1.000 </Td> <Td> Chicago Bears </Td> <Td> 9 </Td> <Td> </Td> <Td> 0 </Td> <Td>. 750 </Td> <Td> </Td> </Tr> <Tr> <Td> 1923 </Td> <Td> Canton Bulldogs (2) </Td> <Td> 11 </Td> <Td> 0 </Td> <Td> </Td> <Td> 1.000 </Td> <Td> Chicago Bears </Td> <Td> 9 </Td> <Td> </Td> <Td> </Td> <Td>. 818 </Td> <Td> </Td> </Tr> <Tr> <Td> 1924 </Td> <Td> Cleveland Bulldogs </Td> <Td> 7 </Td> <Td> </Td> <Td> </Td> <Td>. 875 </Td> <Td> Chicago Bears </Td> <Td> 6 </Td> <Td> </Td> <Td> </Td> <Td>. 857 </Td> <Td> </Td> </Tr> <Tr> <Td> 1925 </Td> <Td> Chicago Cardinals * </Td> <Td> 11 </Td> <Td> </Td> <Td> </Td> <Td>. 846 </Td> <Td> Pottsville Maroons </Td> <Td> 10 </Td> <Td> </Td> <Td> 0 </Td> <Td>. 833 </Td> <Td> </Td> </Tr> <Tr> <Td> 1926 </Td> <Td> Frankford Yellow Jackets </Td> <Td> 14 </Td> <Td> </Td> <Td> </Td> <Td>. 933 </Td> <Td> Chicago Bears </Td> <Td> 12 </Td> <Td> </Td> <Td> </Td> <Td>. 923 </Td> <Td> </Td> </Tr> <Tr> <Td> 1927 </Td> <Td> New York Giants </Td> <Td> 11 </Td> <Td> </Td> <Td> </Td> <Td>. 917 </Td> <Td> Green Bay Packers </Td> <Td> 7 </Td> <Td> </Td> <Td> </Td> <Td>. 778 </Td> <Td> </Td> </Tr> <Tr> <Td> 1928 </Td> <Td> Providence Steam Roller </Td> <Td> 8 </Td> <Td> </Td> <Td> </Td> <Td>. 889 </Td> <Td> Frankford Yellow Jackets </Td> <Td> 11 </Td> <Td> </Td> <Td> </Td> <Td>. 786 </Td> <Td> </Td> </Tr> <Tr> <Td> 1929 </Td> <Td> Green Bay Packers </Td> <Td> 12 </Td> <Td> 0 </Td> <Td> </Td> <Td> 1.000 </Td> <Td> New York Giants </Td> <Td> 13 </Td> <Td> </Td> <Td> </Td> <Td>. 929 </Td> <Td> </Td> </Tr> <Tr> <Td> 1930 </Td> <Td> Green Bay Packers (2) </Td> <Td> 10 </Td> <Td> </Td> <Td> </Td> <Td>. 769 </Td> <Td> New York Giants </Td> <Td> 13 </Td> <Td> </Td> <Td> 0 </Td> <Td>. 765 </Td> <Td> </Td> </Tr> <Tr> <Td> 1931 </Td> <Td> Green Bay Packers (3) </Td> <Td> 12 </Td> <Td> </Td> <Td> 0 </Td> <Td>. 857 </Td> <Td> Portsmouth Spartans </Td> <Td> 11 </Td> <Td> </Td> <Td> 0 </Td> <Td>. 786 </Td> <Td> </Td> </Tr> <Tr> <Td> 1932 </Td> <Td> Chicago Bears (2) </Td> <Td> 7 </Td> <Td> </Td> <Td> 6 </Td> <Td>. 875 </Td> <Td> Green Bay Packers </Td> <Td> 10 </Td> <Td> </Td> <Td> </Td> <Td>. 769 </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Season </Th> <Th> Champion </Th> <Th> Wins </Th> <Th> Losses </Th> <Th> Ties </Th> <Th> Pct . </Th> <Th> Runner - up </Th> <Th> Wins </Th> <Th> Losses </Th> <Th> Ties </Th> <Th> Pct . </Th> <Th> Ref . </Th> </Tr>

Who won the first nfl championship in 1921
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