1979 Seattle Mariners Trades and Transactions

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

• November 2, 1978

  Jim Colborn granted Free Agency.

  Tom Paciorek granted Free Agency.

  Bill Plummer granted Free Agency.

• November 30, 1978

  Purchased Paul Lindblad from the New York Yankees.

• December 5, 1978

  Drafted Keith MacWhorter from the Boston Red Sox in the 1978 minor league draft.

  Traded Rick Jones, Tom McMillan and Enrique Romo to the Pittsburgh Pirates. Received Odell Jones, Mario Mendoza and Rafael Vásquez.

• December 6, 1978

  Purchased Bobby Thompson from the Texas Rangers.

• December 8, 1978

  Traded Craig Reynolds to the Houston Astros. Received Floyd Bannister.

• December 21, 1978

  Signed Mario Díaz as an amateur free agent.

• January 9, 1979

  Drafted Carlos Diaz in the 3rd round of the 1979 amateur draft (January), but did not sign the player.

• January 15, 1979

  Signed Tom Paciorek as a free agent.

• January 27, 1979

  Signed Jim Colborn as a free agent.

  Signed Willie Horton as a free agent.

• January 29, 1979

  Released Bob Robertson.

• February 1, 1979

  Signed Bill Plummer as a free agent.

• February 8, 1979

  Released Jim Todd.

• February 22, 1979

  Purchased Mike Davey from the Atlanta Braves.

• March 17, 1979

  Signed Ed Núñez as an amateur free agent.

• March 20, 1979

  Traded Luis Delgado to the Chicago Cubs. Received Larry Cox.

• March 23, 1979

  Released Frank MacCormack.

• March 24, 1979

  Released Tom Brown.

  Released Dick Pole.

• March 27, 1979

  Released Paul Lindblad.

• March 28, 1979

  Purchased Joe Simpson from the Los Angeles Dodgers.

  Released Jim Colborn.

  Released Tom House.

  Released Kevin Pasley.

  Released Bobby Thompson.

• March 29, 1979

  Purchased Terry Bulling from the Minnesota Twins.

• March 30, 1979

  Signed Danny Walton as a free agent.

• April 2, 1979

  Returned Keith MacWhorter (earlier draft pick) to the Boston Red Sox.

• April 10, 1979

  Signed Bobby Valentine as a free agent.

• June 5, 1979

  Drafted Al Chambers in the 1st round (1st pick) of the 1979 amateur draft.

  Drafted Carlos Diaz in the 1st round (15th pick) of the 1979 amateur draft (June Secondary).

  Drafted Jamie Allen in the 2nd round of the 1979 amateur draft.

  Drafted Jim Presley in the 4th round of the 1979 amateur draft.

  Drafted Brian Snyder in the 7th round of the 1979 amateur draft.

  Drafted Mike Hart in the 13th round of the 1979 amateur draft.

  Drafted Bud Black in the 17th round of the 1979 amateur draft.

  Drafted Tom Henke in the 20th round of the 1979 amateur draft, but did not sign the player.

• June 7, 1979

  Purchased Rob Dressler from the St. Louis Cardinals.

  Traded Paul Mitchell to the Milwaukee Brewers. Received Randy Stein.

• June 12, 1979

  Signed Steve Stroughter as a free agent.

• July 6, 1979

  Traded Juan Bernhardt to the Chicago White Sox. Received Rich Hinton.

• July 30, 1979

  Signed Iván Calderón as an amateur free agent.

• August 6, 1979

  Released John Hale.

• August 19, 1979

  Purchased Wayne Twitchell from the New York Mets.

• August 29, 1979

  Traded John Montague to the California Angels. Received a player to be named later. The California Angels sent Jim Anderson (December 5, 1979) to the Seattle Mariners to complete the trade.

• October 4, 1979

  Released Bill Plummer.

• November 1, 1979

  Wayne Twitchell granted Free Agency.

  Bobby Valentine granted Free Agency.

  Traded Ruppert Jones and Jim Lewis to the New York Yankees. Received Rick Anderson, Jim Beattie, Juan Beníquez and Jerry Narron.

• November 9, 1979

  Purchased Dan O'Brien from the St. Louis Cardinals.

• November 21, 1979

  Purchased Kip Young from the Detroit Tigers.

• December 1, 1979

  Willie Horton granted Free Agency.

• December 6, 1979

  Traded a player to be named later, Rob Pietroburgo (minors) and Rafael Vásquez to the Cleveland Indians. Received Ted Cox. The Seattle Mariners sent Bud Anderson (March 29, 1980) to the Cleveland Indians to complete the trade.

• December 20, 1979

  Signed Willie Horton as a free agent.

• Before 1980 Season

  Released Leroy Stanton.

• January 11, 1980

  Drafted Bill Mooneyham in the 1st round (13th pick) of the 1980 amateur draft (January Secondary), but did not sign the player.

  Drafted Dan Firova in the 2nd round of the 1980 amateur draft (January Secondary).

• March 20, 1980

  Signed Lenny Randle as a free agent.

• March 25, 1980

  Released Danny Walton.

• March 29, 1980

  Released Dan O'Brien.

• April 1, 1980

  Lenny Randle player rights sold to the Chicago Cubs.

  Traded Odell Jones to the Pittsburgh Pirates. Received a player to be named later and cash. The Pittsburgh Pirates sent Larry Andersen (October 29, 1980) to the Seattle Mariners to complete the trade.