Only eight Yankees' players played in both the 1949 and 1951 World Series. They were: Phil Rizzuto, Hank Bauer, Gene Woodling, Yogi Berra, Johnny Mize, Allie Reynolds, Eddie Lopat and Vic Raschi.
Too many to list. Hundreds of players at one time or another played in the N.Y. Yankee farm system.
Four.
The actor that played the baseball player in the movie for the Yankee the time and life of hank garret was Hank Aaron.
Four. Elston Howard played in 9 World Series with the Yankees (1955, 1956, 1957, 1958, 1960, 1961, 1962, 1963, 1964) and was on the winning team 4 times (1956, 1958, 1961, 1962).
The new Yankee Stadium was built in 2008-2009 and open for the 2009 season. The old Yankee Stadium (the house that Ruth built) was dedicated in 1923. Prior to that, the Yankees (known as the Highlanders then) played at Hilltop Park, in 1913 the Yankees moved to the Polo Grounds (also home to the New York Giants) and played there until Yankee Stadium was built in 1923.