Horace Stoneham.
The New York Giants moved to San Francisco after the 1957 season.
The Giants first season in San Francisco was 1958.
The Giants moved from New York City after the 1957 National League season.
Do you mean when did the giants move to san francisco? If so, it was the 1958 season.
The New York Giants weren't traded to San Francisco. They decided to move when their longtime rivals -- the Brooklyn Dodgers -- transferred to Los Angeles. The teams' first season in California was in 1958.
The Brooklyn Dodgers move to Los Angeles and the New York Giants moved to San Francisco to begin play in 1958.
Due to the condition of the Giants' stadium, the team began finding a new home and started to consider a move from New York. In connection to this, owner Horace Stoneham had a negotiation with San Francisco mayor George Christopher and, in the summer of 1957, the New York Giants proclaimed their transfer to San Francisco, California.
On Sunday, October 28, 2012, the San Francisco Giants defeated the Detroit Tigers, 4-3 in 10 innings to win the 108th World Series championship in four games. It was the second time in three seasons that the Giants earned baseball's world title. On Monday, November 1, 2010, the San Francisco Giants won the 106th World Series, defeating the Texas Rangers, 3-1, at Arlington, Texas. The Giants won that series four games to one.
In the mid-1950s, Brooklyn owner Walter O'Malley became frustrated by his inability to persuade New York City officials to back a new stadium for the Dodgers. When the City of Los Angeles offered the team a lucrative deal, O'Malley persuaded New York Giants owner Horace Stoneham to move his club to San Francisco to keep alive their longtime rivalry. Both teams moved to the West Coast in time for the 1958 season.
The Dodgers final season in Brooklyn was 1957.
Seven. The Giants franchise won five World Series in New York (1905, 1921, 1922, 1933 and 1954) and two in San Francisco (2010 and 2012).
In the mid-1950s, Brooklyn owner Walter O'Malley was frustrated by his inability to persuade New York City officials to back a new stadium for the Dodgers. When the City of Los Angeles offered the team a lucrative deal, O'Malley persuaded New York Giants owner Horace Stoneham to move his club to San Francisco to keep alive their longtime rivalry. Both teams moved to the West Coast in time for the 1958 season.