Established Legitimate
Year Event "champion" challenger Winner
1983 Stanley Cup NY Islanders Edmonton Oilers Islanders
1984 rematch Oilers
1987 Wimbledon Navratilova Steffi Graf Navratilova
1988 rematch Graf
1988 Smythe Final Oilers Calgary Flames Oilers
1989 rematch Flames
1988 NBA Final LA Lakers Detroit Pistons Lakers
1989 rematch Pistons
1990 Stanley Cup Oilers Boston Bruins Oilers
no rematch
1996 World Cup Canada USA ?