1978 San Francisco Giants season

The 1978 San Francisco Giants season was the Giants' 96th season in Major League Baseball, their 21st season in San Francisco since their move from New York following the 1957 season, and their 19th at Candlestick Park. The team finished in third place in the National League West with an 89–73 record, 6 games behind the Los Angeles Dodgers.

Offseason

 * October 25, 1977: Frank Riccelli was traded by the Giants to the St. Louis Cardinals for a player to be named later. The Cardinals completed the deal by sending Jim Dwyer to the Giants on June 15, 1978.
 * March 15, 1978: Gary Alexander, Gary Thomasson, Dave Heaverlo, Alan Wirth, John Henry Johnson, Phil Huffman, a player to be named later, and $300,000 were traded by the Giants to the Oakland Athletics for Vida Blue. The Giants completed the trade by sending Mario Guerrero to the Athletics on April 7.
 * March 21, 1978: Alan Hargesheimer was signed as an amateur free agent by the Giants.
 * March 27, 1978: Randy Elliott was released by the Giants.

Regular season
The Giants won 42 games by a one run margin, an MLB record.

Opening Day starters

 * Rob Andrews
 * Jack Clark
 * Darrell Evans
 * Larry Herndon
 * Marc Hill
 * Johnnie LeMaster
 * Willie McCovey
 * John Montefusco
 * Terry Whitfield

Notable transactions

 * June 6, 1978: John Rabb was drafted by the Giants in the 11th round of the 1978 Major League Baseball draft.
 * July 18, 1978: The Giants traded a player to be named later to the St. Louis Cardinals for John Tamargo. The Giants completed the deal by sending Rob Dressler to the Cardinals on July 24.

Starters by position
''Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Other batters
''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Starting pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Relief pitchers
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

Awards and honors
All-Star Game


 * Jack Clark
 * Vida Blue

Sporting News
 * National league Pitcher of the Year: Vida Blue

Major League Baseball
 * National League Player of the Month: Jack Clark (May 1978)