https://www.whatifsports.com/forums/Posts.aspx?topicID=520962&threadID=11867130#l_11867130

Here are the available franchises and season to use.

New York Yankees 1961 claimed by david_freese
SF Giants 1962 - claimed by Mwett
LA Dodgers 1962 - claimed by Lewb
Chic White Sox 1963
Minn Twins 1965 claimed by vanmillionai
St. Louis Cards 1967 - claimed
Boston Red Sox 1967 - claimed by Dufferman
Det. Tigers 1968
Balt Orioles 1970 claimed by skean
Chic Cubs 1969
NY Mets 1969 claimed by brownie
Cinn Reds 1970
Oakland A's 1971 claimed by romarko1954
Pitts Pirates 1971
LA Dodgers 1974
Cinn Reds 1976 claimed by jetsfan3us
Phil Phillies 1976 claimed by ciaosox
KC Royals 1977
NY Yankees 1978 - claimed
Texas Rangers 1977
Balt Orioles 1979
Mil Brewers 1979
MTL Expos 1979 or 1980 your choice of season
Chic Cubs 1984
Det Tigers 1984
SD Padres 1984
Tor Blue Jays 1985 or 1987 your choice of season
STL Cards 1985
Oakland A's 1988 - claimed tjeffery33
Chic White Sox 1990
Tor Blue Jays 1992 claimed by GeorgeHRuth
Atl Braves 1993 claimed by Slubby
Mtl Expos 1994 claimed by Derwin
Clev Indians 1995 claimed by Clle23
Flor Marlins 1997
Houston Astros 1998
Texas Rangers 1999