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The 1987 San Francisco Giants season was the Giants' 105th season in Major League Baseball, their 30th season in San Francisco since their move from New York following the 1957 season, and their 28th at Candlestick Park. The Giants finished in first place in the National League West with a record of 90 wins and 72 losses. They lost the NLCS in seven games to the St. Louis Cardinals. It was their first playoff appearance since 1971.
Offseason
October 16, 1986: Brad Gulden was released by the San Francisco Giants.
October 16, 1986: Chuck Hensley was released by the San Francisco Giants.
October 21, 1986: Mike Jeffcoat was released by the San Francisco Giants.
February 4, 1987: Atlee Hammaker was signed as a free agent by the Giants.
March 31, 1987: Dan Gladden and David Blakely (minors) were traded by the Giants to the Minnesota Twins for Jose Dominguez (minors), Ray Velasquez (minors) and a player to be named later. The Twins completed the deal by sending Bryan Hickerson to the Giants on June 15.
Regular season
Mike LaCoss pitched a 10-inning complete game shutout against the Los Angeles Dodgers on August 16; as of 2021, he remains the last Giants pitcher to throw more than nine innings in a game. On September 9, Nolan Ryan struck out Mike Aldrete for the 4,500th strikeout of his career.
Johnson, Lloyd, and Wolff, Miles, ed., The Encyclopedia of Minor League Baseball, 2nd and 3rd editions. Durham, North Carolina: Baseball America, 1997 and 2007