The 1992 Seattle Mariners season was their 16th since the franchise creation. The team finished seventh (last) in the American League West with a record of .390. After a then franchise-best 83 wins the previous season, the Mariners finished with nineteen fewer, the largest one-year decline in team history. The team ownership was transferred in July from Jeff Smulyan to Nintendo president Hiroshi Yamauchi, and first-year manager Bill Plummer was fired after the season, succeeded by Lou Piniella in November for 1993. Lefthanded starter Randy Johnson won the first of four consecutive strikeout titles with 241. In his third full season in the majors, 29-year-old third baseman Edgar Martínez batted .343 to lead the majors and win the first of his two American League batting titles. He hit .388 in July and .395 in August and was the league's player of the month for both.

Offseason

Regular season

Season standings

Record vs. opponents

Notable transactions

Roster

Player stats

Batting

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''

Pitching

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

Farm system

LEAGUE CHAMPIONS: Peninsula