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FLUSHING, NY - AUGUST 1978: Tennis player Bjorn Borg from Sweden hits a backhand return against an opponent during the U.S. Open tennis tournament at the USTA National Tennis Center in Flushing, New York, August 1978. (Photo by Focus On Sport/Getty Images)

FLUSHING, NY - AUGUST 1978: Tennis player Bjorn Borg from Sweden hits a backhand return against an opponent during the U.S. Open tennis tournament at the USTA National Tennis Center in Flushing, New York, August 1978. (Photo by Focus On Sport/Getty Images)
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