I found two ... I am sure there are many more.
Weightlifter Howe Liang "Tiger" Tan competed for Singapore at the 1956 and 1960 Games and for Malaysia at the 1964 Games.
Swimmer Sarah Poewe competed for South Africa at the 2000 Games and for Germany at the 2004 and 2008 Games.
Luis Monti played for Argentina in 1930 and Italy in 1934, being runner-up in the first and champion in the later.
Ferenk Puskas played the 1954 FIFA World Cup for his native country Hungary, then became a spanish citizen and played for La Furia in 1962
Jose Santamaria played for Uruguay in 1954 and Spain in 1962
Jose Altafini, at the time known in Brazil as Mazzola, won the 1958 FIFA World Cup with Brazil and played for Italy in 1962.
There are also some recent cases of former yugoslav players: Robert Prosinecki, who played the 1990 World Cup for Yugoslavia and the 1998 and 2002 tournaments for Croatia. Prosinecki is the only one who scored for two countries.
And Dejan Stankovic, who played for Yugoslavia in 1998, Serbia and Montenegro in 2006 and Serbia in 2010.
Some other players were called up by two different countries, but played only for one or even none of them.
Wayne Gretzky did play in the Olympics in 1998 in Nagano. He managed the team in 2002 in Salt Lake City where Canada won gold. There was no winter Olympics in 2000.
some players in 2000 olympic have played for more than 1 discipline. it is legal to play in more than one event
Greece invented the Olympics games.the Olympics games was organized to honor Zeus.
There are no records indicating that anyone named William Lofton ever played for the Denver Broncos.
Yes
brazil and america
Yes, Germany is one of the many countries competing in the winter Olympics.
Think there were 8 nations at 1992 football Olympics
100
Wayne Gretzky did play in the Olympics in 1998 in Nagano. He managed the team in 2002 in Salt Lake City where Canada won gold. There was no winter Olympics in 2000.
At the 2004 Games in Athens Ethiopia had 60 athletes competing in two sports (Athletics and Boxing).
some players in 2000 olympic have played for more than 1 discipline. it is legal to play in more than one event
People who compete in the Olympics play all kinds of sports against other countries to try and win gold medals. This is like a huge competition.
the first basketball team was the USA to win but who played
Every country must play sports, since there were 204 of them at the recent Olympics, which is more countries than my atlas lists!
They don't play in the Olympics.
Because the Olympics only allow 2 professional soccer players on the team.