16 Original Franchises
NL
1.Atlanta Braves - Boston Beaneaters:1901-1906,Boston Doves:1907-1910,Boston Braves:1911-1935,Boston Bees:1936-1940,Boston Braves:1941-1952,Milwaukee Braves:1953-1965,Atlanta Braves:1966-2012
2.Chicago Cubs - Chicago Orphans:1901-1902,Chicago Cubs:1903-2012
3.Cincinnati Reds - Cincinnati Reds:1901-2012
4.Los Angeles Dodgers - Brooklyn Superbas: 1901-1910,Brooklyn Dodgers:1911-1912,Brooklyn Superbas:1913,Brooklyn Robins:1914-1930,Brooklyn Dodgers:1931-1957,Los Angeles Dodgers:1958-2012
5.Philadelphia Phillies - Philadelphia Phillies:1901-1943,Philadelphia Blue Jays:1944,Philadelphia Phillies:1945-2012
6.Pittsburgh Pirates - Pittsburgh Pirates:1901-2012
7.San Francisco Giants - New York Giants:1901-1957,San Francisco Giants:1958-2012
8.St. Louis Cardinals - St. Louis Cardinals:1901-2012
AL
1.Baltimore Orioles - Milwaukee Brewers:1901,St Louis Browns:1902-1953,Baltimore Orioles:1954-2012
2.Boston Red Sox - Boston Americans:1901-1907,Boston Red Sox:1908-2012
3.Chicago White Sox - Chicago White Sox:1901-2012
4.Cleveland Indians - Cleveland Blues:1901-1902,Cleveland Naps:1903-1915,Cleveland Indians;1916-2012,
5.Detroit Tigers - Detroit Tigers;1901-2012
6.Minnesota Twins - Washington Senators:1901-1960,Minnesota Twins:1961-2012
7.New York Yankees - Baltimore Orioles:1901-1902,New York Highlanders:1903-1912,New York Yankees:1913-2012,
8.Oakland Athletics - Philadelphia Athletics:1901-1954,Kansas City Athletics:1955-1967,Oakland Athletics:1968-2012