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1987 Seattle Mariners Trades and Transactions
(Franchise Encyclopedia: 1986 / 1988)
78-84, Finished 4th in AL West
View League Standings and Leaders
Scored 760 runs, Allowed 801 runs. Pythagorean W-L: 77-85
Manager: Dick Williams (78-84)
Ballpark: Kingdome (ballparks.com)
Attendance: 1,134,255 (13th of 14)
Park Factors  Over 100 favors batters, under 100 favors pitchers.
  multi-year:
Batting - 105, Pitching - 106;   one-year: Batting - 102, Pitching - 103
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1986 / 1988 Trades and Transactions

Transactions listed are from November 1 of previous year to April 1 of the following year.

October 15, 1986

Steve Fireovid granted Free Agency.

Paul Mirabella granted Free Agency.

Jack O'Connor granted Free Agency.

November 12, 1986

Jim Beattie granted Free Agency.

Steve Yeager granted Free Agency.

December 5, 1986

Traded a player to be named later to the Pittsburgh Pirates. Received Rich Renteria. The Seattle Mariners sent Bob Siegel (minors) (December 10, 1986) to the Pittsburgh Pirates to complete the trade.

December 8, 1986

Drafted Stan Clarke from the Toronto Blue Jays in the 1986 rule 5 draft.

December 9, 1986

Drafted Jeff Nelson from the Los Angeles Dodgers in the 1986 minor league draft.

December 10, 1986

Traded Matt Young to the Los Angeles Dodgers. Received Mike Watters (minors) and Dennis Powell.

Traded Rick Luecken and Danny Tartabull to the Kansas City Royals. Received Scott Bankhead, Mike Kingery and Steve Shields.

December 17, 1986

Traded Ricky Nelson to the New York Mets. Received Doug Gwosdz.

December 20, 1986

Released Roy Thomas.

December 23, 1986

Signed Dave Stapleton as a free agent.

1987

Bobby Castillo received from the Oakland Athletics in an unknown transaction.

January 15, 1987

Signed Jim Weaver as a free agent.

March 25, 1987

Released Bobby Castillo.

March 31, 1987

Released Pete Ladd.

Released Dave Stapleton.

April 10, 1987 (Standings)

Signed Roy Thomas as a free agent.

April 17, 1987 (Standings)

Signed Jerry Narron as a free agent.

May 12, 1987 (Standings)

Traded Mark Huismann to the Cleveland Indians. Received Dave Gallagher.

June 2, 1987 (Standings)

Drafted Ken Griffey in the 1st round (1st pick) of the 1987 amateur draft.

Drafted Dave Burba in the 2nd round of the 1987 amateur draft.

Drafted Joe Slusarski in the 6th round of the 1987 amateur draft, but did not sign the player.

Drafted Eric Helfand in the 8th round of the 1987 amateur draft, but did not sign the player.

Drafted Mike Gardiner in the 18th round of the 1987 amateur draft. Player signed June 6, 1987.

Drafted Pat Listach in the 23rd round of the 1987 amateur draft, but did not sign the player.

Drafted Todd Haney in the 38th round of the 1987 amateur draft. Player signed June 9, 1987.

Drafted Gar Finnvold in the 42nd round of the 1987 amateur draft, but did not sign the player.

Drafted Jeff Darwin in the 46th round of the 1987 amateur draft, but did not sign the player.

Drafted James Hurst in the 52nd round of the 1987 amateur draft, but did not sign the player.

June 4, 1987 (Standings)

Traded Ross Jones to the Kansas City Royals. Received a player to be named later. The Kansas City Royals sent Ricky Rojas (minors) (October 19, 1987) to the Seattle Mariners to complete the trade.

June 15, 1987 (Standings)

Signed Chuck Carr as a free agent.

June 22, 1987 (Standings)

Traded Karl Best to the Detroit Tigers. Received Bryan Kelly.

June 30, 1987 (Standings)

Signed Chris Beasley as a free agent.

Signed Wade Taylor as an amateur free agent.

July 11, 1987 (Standings)

Released Bob Kearney.

Traded a player to be named later to the Chicago Cubs. Received Gary Matthews. The Seattle Mariners sent Dave Hartnett (minors) (July 12, 1987) to the Chicago Cubs to complete the trade.

August 5, 1987 (Standings)

Released Roy Thomas.

August 11, 1987 (Standings)

Traded a player to be named later to the Baltimore Orioles. Received Nelson Simmons. The Seattle Mariners sent Mike Brown (August 26, 1987) to the Baltimore Orioles to complete the trade.

September 30, 1987 (Standings)

Released Dave Gallagher.

Traded Doug Givler (minors) to the Houston Astros. Received Julio Solano.

October 5, 1987 (Standings)

Traded Stan Clarke to the Detroit Tigers. Received Bruce Fields.

October 15, 1987 (Standings)

Dan Firova granted Free Agency.

Steve Shields granted Free Agency.

Nelson Simmons granted Free Agency.

November 9, 1987

Gary Matthews granted Free Agency.

November 18, 1987

Released Jim Weaver.

November 20, 1987

Released Jerry Narron.

December 9, 1987

Traded Mike Morgan to the Baltimore Orioles. Received Ken Dixon.

Traded Phil Bradley and Tim Fortugno to the Philadelphia Phillies. Received Dave Brundage (minors), Mike Jackson and Glenn Wilson.

December 21, 1987

Released John Moses.

Released Domingo Ramos.

December 22, 1987

Traded Lee Guetterman, Clay Parker and Wade Taylor to the New York Yankees. Received Henry Cotto and Steve Trout.

January 11, 1988

Signed Brian Giles as a free agent.

January 19, 1988

Signed John Rabb as a free agent.

February 3, 1988

Traded Ken Spratke (minors) to the Kansas City Royals. Received Dave Cochrane.

March, 1988

Signed Jay Baller as a free agent.

March 1, 1988

Signed Jim Wilson as a free agent.

March 19, 1988

Traded a player to be named later to the San Francisco Giants. Received Rod Scurry. The Seattle Mariners sent Donell Nixon (June 23, 1988) to the San Francisco Giants to complete the trade.

March 23, 1988

Released Chris Beasley.

March 28, 1988

Released Mike Trujillo.

The transaction information used here was obtained free of charge from and is copyrighted by RetroSheet. Last transaction is September 30, 2009.

1986 / 1988 Trades and Transactions