American League
West Division History
 
Numbers in parenthesis are wins for first place teams and games behind for all other teams.
For years with more than one division, italic indicates team won League Series.
Bold indicates team won World Championship.
Year 1st 2nd 3rd 4th
1977 Seattle (108) Kansas City (-16) Oakland (-26) Toronto (-28)
1978 Seattle (102) Kansas City (-5) Toronto (-20) Oakland (-32)
1979 Seattle (99) Kansas City (-11) Toronto (-29) Oakland (-47)
1980 Seattle (97) Kansas City (-1) Toronto (-27) Oakland (-32)
1981 Kansas City (100) Seattle (-9) Toronto (-22) Oakland (-37)
1982 Kansas City (89) Oakland (-5) Seattle (-19) Toronto (-22)
1983 Kansas City (88) Oakland (-2) Seattle (-2) Toronto (-18)
1984 Oakland (96) Kansas City (-2) Toronto (-28) Seattle (-35)
1985 Oakland (84) Kansas City (-4) Toronto (-13) Seattle (-28)
1986 Kansas City (98) Toronto (-18) Seattle (-19) Oakland (-25)
1987 Kansas City (86) Toronto (-6) Oakland (-12) Seattle (-17)
1988 Toronto (86) Seattle (-9) Kansas City (-12) Oakland (-22)
1989 Toronto (89) Kansas City (-14) Seattle (-15) Oakland (-18)
1990 Toronto (96) Oakland (-21) Seattle (-23) Kansas City (-52)