I presume you're asking about Joe DiMaggio. Both the NY Yankees and the NY Giants had been in several World Series prior to this year.
The New York Yankees and the New York Giants played in the 1936 World Series. This series lasted six games with the Yankees winning the title.
The New York Yankees beat the New York Giants 4 games to 2 in the 1936 World Series.
Joe DiMaggio of the New York Yankees from 1936-1939. The Yankees won all four of those World Series.
New York Yankees (1936, 1937, 1938, 1939).
The Cincinnati Reds defeated the Chicago White Sox.
The New York Yankees hold this honor. They are actually ranked first and second for this achievement. They won five World Series from 1949 to 1953. They had earlier won four World Series from 1936 to 1939.
Joe DiMaggio participated in 51 World Series games from 1936 to 1951. Frankie Frisch participated in 50 from 1921 to 1934. The question was "Who was the first major leaguer to participate in more than fifty World Series games?"
Lou Gehrig played in 7 World Series with the Yankees and the Yankees won 6 (1927, 1928, 1932, 1936, 1937, 1938). The one World Series Gehrig lost with the Yankees was in 1926.
The Giants appeared in 14 World Series when they were in New York. They competed in 1905, 1911, 1912, 1913, 1917, 1921, 1922, 1923, 1924, 1933, 1936, 1937, 1951 and 1954.
The New York Yankees and New York Giants played each other six times in the World Series.1921, 1922, 1923, 1936, 1937, 1951
Joe McCarthy managed the Chicago Cubs to the 1929 World Series and the Yankees to the 1932, 1936-1939, and 1941-1943 World Series.
Their first year as a baseball team was in 1936 as a PCL minor league team. Their first year as a major league team was 1969