1984 Seattle Mariners season

The Seattle Mariners season was their eighth since the franchise creation. They finished fifth in the American League West with a record of .

Offseason

• November 21, 1983: Bill Caudill and Darrel Akerfelds were traded to the Oakland Athletics for Dave Beard and Bob Kearney.
• December 5, 1983: Dave Geisel was selected by the Mariners from the Toronto Blue Jays in the rule 5 draft.
• January 17, 1984: Mike Blowers was selected in the eighth round of the amateur draft, but did not sign.
• March 23, 1984: Rick Sweet was released by the Mariners.

Regular season

• September 1 – Manager Del Crandall () was fired on Saturday morning, September 1, succeeded by third base coach Chuck Cottier.
• First baseman Alvin Davis reached base in each of the first 47 games of his career, and was chosen for his only All-Star Game. The M's MVP, he was also voted the American League's Rookie of the Year, with a .284 batting average, 27 home runs, and 116 RBIs.
• Lefthanded starting pitcher Mark Langston became the first rookie since Herb Score to lead the American League in strikeouts; he was second in the balloting to teammate Davis for AL Rookie of the Year

Season standings

Record vs. opponents

Notable transactions

Roster

Game log

Regular season

|-

|-style=background:#fbb | 36 || May 14 || || @ Tigers || 5–7 || Lopez || Vande Berg || – || 3:05 || 18,830 || 18–18 || L2 |-style=background:#fbb | 37 || May 15 || || @ Tigers || 4–6 || Morris || Thomas || Hernandez || 3:32 || 21,782 || 18–19 || L3 |-style=background:#fbb | 38 || May 16 || || @ Tigers || 1–10 || Wilcox || Young || – || 2:52 || 22,001 || 18–20 || L4 |-style=background:#cfc | 45 || May 25 || || Tigers || 7–3 || Vande Berg || Wilcox || Mirabella || 2:54 || 15,722 || 21–24 || W1 |-style=background:#cfc | 46 || May 26 || || Tigers || 9–5 || Moore || Berenguer || – || 2:51 || 41,342 || 22–24 || W2 |-style=background:#cfc | 47 || May 27 || || Tigers || 6–1 || Young || Petry || – || 2:50 || 12,755 || 23–24 || W3 |-

|-

|-style=background:#bbbfff |colspan="12"|55th All-Star Game in San Francisco, CA |-

|-style=background:#fbb | 123 || August 17 || || @ Tigers || 2–6 || Wilcox || Moore || – || 3:08 || 36,496 || 55–68 || L1 |-style=background:#fbb | 124 || August 18 || || @ Tigers || 3–4 || Berenguer || Geisel || Hernandez || 2:41 || 36,719 || 55–69 || L2 |-style=background:#cfc | 125 || August 19 || || @ Tigers || 4–1 || Langston || Petry || Vande Berg || 2:51 || 43,277 || 56–69 || W1 |-style=background:#fbb | 132 || August 28 || || Tigers || 4–5 || Hernandez || Stanton || – || 2:51 || 8,353 || 57–75 || L5 |-style=background:#cfc | 133 || August 29 || || Tigers || 5–1 || Langston || Petry || – || 2:11 || 10,863 || 58–75 || W1 |-style=background:#cfc | 134 || August 30 || || Tigers || 2–1 || Beattie || Morris || Nunez || 2:34 || 9,583 || 59–75 || W2 |-

|-

|- style="text-align:center;" | Legend:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = Win&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = Loss&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = Postponement<br>Bold = Mariners team member

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

• Mark Langston – American League Leader, Strikeouts (204)

All-Star Game

Farm system

References

External links

• 1984 Seattle Mariners at Baseball Reference
• 1984 Seattle Mariners team page at www.baseball-almanac.com