1998 San Francisco Giants season

The 1998 San Francisco Giants season was the Giants' 116th season in Major League Baseball, their 41st season in San Francisco since their move from New York following the 1957 season, and their 39th at 3Com Park at Candlestick Point. The team finished in second place in the National League West with an 89–74 record, 9½ games behind the San Diego Padres.

Offseason

 * November 11, 1997: Chris Singleton and Alberto Castillo were traded by the Giants to the New York Yankees for Charlie Hayes and cash.
 * November 21, 1997: Brent Mayne was signed as a free agent by the Giants.
 * December 6, 1997: Danny Darwin was signed as a free agent by the Giants.
 * January 21, 1998: Alex Diaz was signed as a free agent by the Giants.
 * January 29, 1998: Jalal Leach was traded by the Seattle Mariners with Scott Smith (minors) to the San Francisco Giants for David McCarty.

Opening Day starters

 * Rich Aurilia
 * Barry Bonds
 * Shawn Estes
 * Darryl Hamilton
 * Stan Javier
 * John Johnstone
 * Jeff Kent
 * Bill Mueller
 * J. T. Snow

Notable transactions

 * April 6, 1998: Jalal Leach was released by the San Francisco Giants.
 * May 11, 1998: Jalal Leach was signed as a free agent with the San Francisco Giants.
 * June 2, 1998: Cody Ransom was drafted by the Giants in the 9th round of the 1998 Major League Baseball draft. Player signed June 4, 1998.
 * July 23, 1998: Joe Carter was traded by the Baltimore Orioles to the San Francisco Giants for Darin Blood (minors).
 * September 14, 1998: Alex Diaz was released by the Giants.

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

Award winners
All-Star Game
 * 1998 Jeff Kent 2B, Willie Mac Award

Farm system
LEAGUE CHAMPIONS: San Jose, Salem-Keizer