November 13, 1989: Jeff Schaefer was signed as a free agent by the Mariners.[ 3]
December 7, 1989: Pete O'Brien was signed as free agent by the Mariners.[ 4]
June 2: Randy Johnson threw a no-hitter versus the Detroit Tigers ,[ 5] [ 6] the first for the franchise.[ 7] He was also the tallest pitcher (6 ft 10 in (2.08 m)) in Major League history to throw a no-hitter. It was the 2101st game in Mariners history, played on a Saturday night in the Kingdome.
September 14: Ken Griffey Sr. and Ken Griffey Jr. hit back-to-back home runs in the top of the first inning against the California Angels .[ 8] Through 2022 , it remains the only occurrence of consecutive homers by a father and son in MLB history.
Opening Day starters
edit
Record vs. opponents
edit
Sources: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14]
Team
BAL
BOS
CAL
CWS
CLE
DET
KC
MIL
MIN
NYY
OAK
SEA
TEX
TOR
Baltimore
—
4–9
7–5
6–6
6–7
6–7
8–3
7–6
6–6
6–7
4–8
3–9
8–4
5–8
Boston
9–4
—
7–5
6–6
9–4
8–5
4–8
5–8
4–8
9–4
4–8
8–4
5–7
10–3
California
5–7
5–7
—
5–8
7–5
5–7
7–6
7–5
9–4
6–6
4–9
5–8
8–5
7–5
Chicago
6–6
6–6
8–5
—
5–7
5–7
9–4
10–2
7–6
10–2
8–5
8–5
7–6
5–7
Cleveland
7–6
4–9
5–7
7–5
—
5–8
6–6
9–4
7–5
5–8
4–8
7–5
7–5
4–9
Detroit
7–6
5–8
7–5
7–5
8–5
—
5–7
3–10
6–6
7–6
6–6
7–5
6–6
5–8
Kansas City
3–8
8–4
6–7
4–9
6–6
7–5
—
4–8
8–5
8–4
4–9
7–6
5–8
5–7
Milwaukee
6–7
8–5
5–7
2–10
4–9
10–3
8–4
—
4–8
6–7
5–7
4–8
5–7
7–6
Minnesota
6–6
8–4
4–9
6–7
5–7
6–6
5–8
8–4
—
6–6
6–7
6–7
5–8
3–9
New York
7–6
4–9
6–6
2–10
8–5
6–7
4–8
7–6
6–6
—
0–12
9–3
3–9
5–8
Oakland
8–4
8–4
9–4
5–8
8–4
6–6
9–4
7–5
7–6
12–0
—
9–4
8–5
7–5
Seattle
9–3
4–8
8–5
5–8
5–7
5–7
6–7
8–4
7–6
3–9
4–9
—
7–6
6–6
Texas
4–8
7–5
5–8
6–7
5–7
6–6
8–5
7–5
8–5
9–3
5–8
6–7
—
7–5
Toronto
8–5
3–10
5–7
7–5
9–4
8–5
7–5
6–7
9–3
8–5
5–7
6–6
5–7
—
Notable transactions
edit
1990 Seattle Mariners
Roster
Pitchers
Catchers
Infielders
Outfielders
Manager
Coaches
Ken Griffey, Sr. joined his son (Ken Griffey Jr.) to become the first father and son to play in a game together. The game was played in the Kingdome against the Kansas City Royals on August 31.[ 15] The Griffeys became the first father-and-son teammates to hit back-to-back home runs on September 14.[ 8]
August 31, Kingdome, Seattle, Washington
Team
1
2
3
4
5
6
7
8
9
R
H
E
Kansas City
0
2
0
0
0
0
0
0
0
2
6
2
Seattle
3
0
0
0
1
0
1
0
x
5
10
1
W : Johnson (13-8) L : Davis (7-10)
Home Runs: Pecota (4) Attendance : 27,166 Time : 2:27
Kansas City Royals
AB
R
H
RBI
Seattle Mariners
AB
R
H
RBI
Seitzer, 3b
4
0
0
0
Reynolds, 2b
5
0
1
0
McRae, cf
4
0
1
0
Griffey, lf
4
1
1
0
Tartabull, dh
3
0
1
0
Griffey Jr., cf
4
1
1
0
Jackson, lf
3
1
1
0
Davis, dh
2
3
2
1
Macfarlane, c
4
0
1
0
O'Brien, 1b
3
0
0
0
Eisenreich, rf
3
0
0
1
Buhner, rf
3
0
2
1
Pecota, 1b
3
1
1
1
Martinez, 3b
2
0
1
1
White, 2b
3
0
1
0
Schaefer. 3b
2
0
1
1
Jeltz, ss
3
0
0
0
Bradley, c
4
0
1
0
NONE
0
0
0
0
Vizquel, ss
3
0
0
0
Totals
30
2
6
2
Totals
32
5
10
4
Kansas City Royals
IP
H
R
ER
BB
SO
Davis L (7-10)
6.2
9
5
4
6
1
Sanchez
1.1
1
0
0
0
0
Totals
8.0
10
5
4
6
1
Seattle Mariners
IP
H
R
ER
BB
SO
Johnson W (13-8)
7.1
5
2
2
2
4
Swift SV (3)
1.2
1
0
0
0
0
Totals
9.0
6
2
2
2
4
Starters by position
edit
Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts
^ "Wild Johnson dampens end for Mariners" . Spokesman-Review . (Spokane, Washington). Associated Press. October 4, 1990. p. D2.
^ "Team Batting Event Finder: 1990, All Teams, Home Runs, With Runners on 123" . Baseball Reference . Retrieved July 3, 2018 .
^ Jeff Schaefer page at Baseball Reference
^ "Signing of O'Brien heralds loose purse string for M's" . Spokesman-Review . (Spokane, Washington). Associated Press. December 8, 1989. p. C1.
^ "Mariner sails away with a no-hitter" . Eugene Register-Guard . (Oregon). Associated Press. June 3, 1990. p. 1G.
^ Baseball Almanac - Box Score of Randy Johnson's No-Hitter
^ "Johnson tosses no-hitter" . Lewiston Morning Tribune . (Idaho). Associated Press. June 3, 1990. p. 3B.
^ a b "Griffeys hit back-to-back HRs" . Idahonian . (Moscow). Associated Press. September 15, 1990. p. 3D.
^ Marc Newfield page at Baseball Reference
^ Bret Boone page at Baseball Reference
^ Darnell Coles page at Baseball Reference
^ "Mario Diaz Stats" .
^ Ken Griffey page at Baseball Reference
^ Rick Renteria page at Baseball Reference
^ "Griffeys make history" . Lawrence Journal-World . (Kansas). Associated Press. September 1, 1990. p. 1B.
^ Johnson, Lloyd, and Wolff, Miles, ed., The Encyclopedia of Minor League Baseball , 2nd and 3rd editions. Durham, North Carolina: Baseball America, 1997 and 2007