Here's the chronological alignment (if all owners signed up stay the same):
NL East
bhoser 1961-64
Drawdexer 1966-69
marlowe 1966-69
frankallen 1967-70
NL Central
Rattlers 1968-71
specsman 1970-73
finn2030 1971-74
midknight 1972-75
NL West
celticus 1975-78
fabforeus 1976-79
belle7446 1978-81
good_beef 1979-82
AL East
llcoach 1981-84
corvair 1982-85
cyclonejim 1982-85
jpeterso 1983-86
AL Central
nockahoma 1984-87
dippedncrack 1985-88
garyhoey 1985-88
bmagnan 1986-89
AL West
trd3 1988-91
Got_Worms 1991-94
rchisholm 1993-96
masterdebate 1996-99