The 1990 Seattle Mariners season was the 14th for the Seattle Mariners in Major League Baseball (MLB). Under second-year manager Jim Lefebvre, they finished fifth in the American League West at . It was the second-best record in the M's history up to that point in time; the win total was one behind the club record set in 1987. The Mariners hit six grand slams, most in MLB.
Offseason November 13, 1989: Jeff Schaefer signed as a free agent with the Mariners. December 7: Pete O'Brien signed as a free agent with the Mariners. January 24, 1990: Jim Presley traded to the Atlanta Braves for Gary Eave and Ken Pennington.
Regular season April 1990: Ken Griffey Jr. named the American League (AL) Player of the Month after batting .388 with five home runs. June 2: Randy Johnson threw a no-hitter versus the Detroit Tigers, the first for the franchise. He was also the tallest pitcher, at , in MLB history to throw a no-hitter. It was the 2,101st game in Mariners history. Johnson was later named the AL Pitcher of the Month for June. July 10: Griffey Jr. and Johnson on the AL All-Star Game roster. 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. It remains the only time in MLB history that a father and son hit consecutive home runs, . In his first full major league season, Edgar Martínez led the team with a .302 batting average. Griffey Jr. and second baseman Harold Reynolds won AL Gold Glove Awards.
Opening Day starters Harold Reynolds, 2B Ken Griffey Jr., CF Alvin Davis, DH Jeffrey Leonard, RF Pete O'Brien, 1B Greg Briley, LF Edgar Martínez, 3B Dave Valle, C Brian Giles, SS Brian Holman, P
Season standings
Record vs. opponents
Notable transactions May 24, 1990: Traded Gary Eave to the San Francisco Giants for Russ Swan. June 4: 1990 MLB draft: Marc Newfield was selected by the Mariners in the first round (sixth pick), and he signed on June 10, receiving a $220,000 bonus.Marc Newfield page at Baseball Reference Dave Fleming selected by the Mariners in the third round. Bret Boone was selected by Seattle in the fifth round, and he signed on June 8. Mike Hampton selected by the Mariners in the sixth round. June 18: Darnell Coles was traded by the Mariners to the Detroit Tigers for Tracy Jones.Darnell Coles page at Baseball Reference June 19: Mario Díaz was traded by the Mariners to the New York Mets for Brian Givens. August 29: Ken Griffey Sr. signed as a free agent with the Mariners.Ken Griffey page at Baseball Reference September 18: Rick Renteria was released by the Mariners.Rick Renteria page at Baseball Reference
Roster 1990 Seattle Mariners Roster Pitchers Catchers
Infielders Outfielders Manager
Coaches
The Griffeys Ken Griffey Sr. joined his son (Ken Griffey Jr.) to become the first father and son to play in a MLB game together. The game was played in the Kingdome against the Kansas City Royals on August 31. The Griffeys became the first father-and-son teammates to hit back-to-back home runs on September 14.
Player stats = Indicates team leader
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 Pos Player G AB H Avg. HR RBI C Dave Valle 107 308 66 .214 7 33 1B Pete O'Brien 108 366 82 .224 5 27 2B Harold Reynolds 160 642 162 .252 5 55 3B Edgar Martínez 144 487 147 .302 11 49 SS Omar Vizquel 81 255 63 .247 2 18 LF Jeffrey Leonard 134 478 120 .251 10 75 CF Ken Griffey Jr. 155 597 179 .300 22 80 RF Greg Briley 125 337 83 .246 5 29 DH Alvin Davis 140 494 140 .283 17 68
Other batters Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in Player G AB H Avg. HR RBI Henry Cotto 127 355 92 .259 4 33 Scott Bradley 101 233 52 .223 1 28 Jay Buhner 51 163 45 .276 7 33 Mike Brumley 62 147 33 .224 0 7 Jeff Schaefer 55 107 22 .206 0 6 Darnell Coles 37 107 23 .215 2 16 Brian Giles 45 95 22 .232 4 11 Tracy Jones 25 86 26 .302 2 15 Ken Griffey, Sr. 21 77 29 .377 3 18 Tino Martinez 24 68 15 .221 0 5 Matt Sinatro 30 50 15 .300 0 4 Dave Cochrane 15 20 3 .150 0 0
Pitching
Starting pitchers Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Player G IP W L ERA SO Erik Hanson 33 236 18 9 3.24 211 Matt Young 34 225 8 18 3.51 176 Randy Johnson 33 219 14 11 3.65 194 Brian Holman 28 189 11 11 4.03 121 Rich DeLucia 5 36 1 2 2.00 20
Other pitchers Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Player G IP W L ERA SO Bill Swift 55 128 6 4 2.39 42 Russ Swan 11 47 2 3 3.64 15 Gary Eave 8 30 0 3 4.20 16 Scott Bankhead 4 13 0 2 11.08 10 Mike Gardiner 5 12 0 2 10.66 6
Relief pitchers Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts Player G W L SV ERA SO Mike Schooler 49 1 4 30 2.25 45 Mike Jackson 63 5 7 3 4.54 69 Keith Comstock 60 7 4 2 2.89 50 Gene Harris 25 1 2 0 4.74 43 Brent Knackert 24 1 1 0 6.51 28 Bryan Clark 12 2 0 0 3.27 3 Dave Burba 6 0 0 0 4.50 4 Scott Medvin 5 0 1 0 6.23 1 Vance Lovelace 5 0 0 0 3.86 1 Jerry Reed 4 0 1 0 4.91 2 José Meléndez 3 0 0 0 11.81 7 Dennis Powell 2 0 0 0 9.00 0
Farm system
Source:Johnson, Lloyd, and Wolff, Miles, ed., The Encyclopedia of Minor League Baseball, 2nd and 3rd editions. Durham, North Carolina: Baseball America, 1997 and 2007
References
External links 1990 Seattle Mariners at Baseball Reference 1990 Seattle Mariners team page at www.baseball-almanac.com