In 1957, Sifford won the Long Beach Open, which was not an official PGA Tour event, but was co-sponsored by the PGA and had some well-known white players in the field. Sifford competed in the U. S. Open in 1959 for the first time, and tied for 32nd place. He became a member of the Tour in 1961, thus becoming the first African-American to join the PGA Tour. He went on to win two official money events, the 1967 Greater Hartford Open and the 1969 Los Angeles Open, and finished in the top 60 in overall winnings in his first nine years as a member of the PGA Tour. He also won the 1963 Puerto Rico Open and at the 1971 Sea Pines. He tied for 21st place at the 1972 U.S. Open, his best finish in a major tournament. He competed in the PGA Seniors' Championship, then the leading tournament for golfers over fifty, winning the event in 1975.