1984 Seattle Mariners season

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

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

References

1. [https://www.baseball-reference.com/c/caudibi01.shtml Bill Caudill page at Baseball Reference]
2. [https://www.baseball-reference.com/g/geiseda01.shtml Dave Geisel page at Baseball Reference]
3. [https://www.baseball-reference.com/b/blowemi01.shtml Mike Blowers page at Baseball Reference]
4. [https://www.baseball-reference.com/s/sweetri01.shtml Rick Sweet page at Baseball Reference]
5. (September 2, 1984). "Mariners fire another manager". Eugene Register-Guard.
6. (September 3, 1984). "Mariner GM Claims talent there for winner". Spokane Chronicle.
7. (November 21, 1984). "M's Davis gets his shot; earns AL Rookie honors". Lewiston Morning Tribune.
8. Johnson, Lloyd, and Wolff, Miles, ed., ''The Encyclopedia of Minor League Baseball'', 2nd and 3rd editions. Durham, North Carolina: Baseball America, 1997 and 2007