ORIGINAL LEGENDS:
AL EAST
Baltimore: Eddie Murray
Boston: Yaz
Cleveland: Nap Lajoie
New York: Mantle
Toronto: Dave Steib (your pick of Carter seems like an odd choice)
AL CENTRAL
Chicago: Frank Thomas
Detroit: Hank Greenburgh
Kansas City: Hal Macrae
Milwaukee: Paul Molitor
Minnesota: Tony Oliva
AL WEST
Anaheim: Brian Downing
Oakland: Catfish Hunter
Seattle: ?
Texas: Fergie Jenkins
NL EAST
Atlanta: Eddie Mathews
Montreal: Vlad if he is retired by then
Dawson?
New York: Straw?
Philadelphia: Chuck Klein
NL CENTRAL
Chicago: Billy Williams
Cincinnati: Bench or Bid Mcphee
Pittsburgh: Stargell or Kiner
St. Louis: Lou Brock
NL WEST
Houston: Mike Scott or JR Richard or Jose Cruz
Los Angeles: Jackie Robinson or Don Drysdale
San Diego: Trevor Hoffman
San Francisco: Barry Bonds