Long before the Korda sisters, Jessica and Nelly, there were the Curtis sisters, Harriot and Margaret. Between them, they captured four U.S. Women's Amateur titles. But their legacy in the game is more closely linked to the biennial competition that bears their name. The Curtis Cup returns Friday for its 44th edition, pitting elite female amateurs from the United States against counterparts from Great Britain and Ireland in three days of foursomes, four-ball and singles matches.