The Mariners employ Jerry Dipoto as their GM, which means lots of trades. Trades are the foundation of the current Mariners roster, as many of their players have been acquired that way. This is how they were built.
Narvaez was acquired in November from the White Sox for Alex Colome.
Murphy was acquired on a day after Opening Day from the Giants for Jesus Ozoria.
Vogelbach was acquired in July 2016 from the Cubs with Paul Blackburn for Mike Montgomery and Jordan Pries.
Gordon was acquired in December 2017 from the Marlins for Nick Neidert, Robert Dugger and Christopher Torres.
Beckham signed a one year deal with the Mariners in January.
Healy was acquired in November 2017 from the A\’s for Emilio Pagan and Alexander Campos.
Moore signed as a minor league free agent in November.
Encarnacion was acquired in a three team trade in December. The Mariners received Encarnacion and a draft pick, and gave up Carlos Santana and cash.
Smith was acquired in November from the Rays with Jake Fraley for Mike Zunino, Guillermo Heredia and Michael Plassmeyer.
Haniger was acquired in November 2016 from the Diamondbacks with Jean Segura and Zac Curtis for Taijuan Walker and Ketel Marte.
Santana was acquired from the Brewers in December for Ben Gamel and Noah Zavolas.
Bruce was acquired in December with Anthony Swarzak, Justin Dunn, Gerson Bautista and Jarred Kelenic from the Mets for Edwin Diaz and Robinson Cano.
Gonzales was acquired from the Cardinals in July 2017 for Tyler O\’Neill.
Kikuchi signed a three year deal with a team option for 2022-2025 on New Year\’s Day.
Hernandez signed as an amateur free agent in July 2002.
Leake was acquired in August 2017 from the Cardinals with cash and international bonus slot money for Rayder Ascanio.
LeBlanc signed with the Mariners in March 2018.
Sadzeck was acquired last week from Texas for Grant Anderson.
Brennan is a Rule 5 pick from the Rockies this year.
Rosscup signed a minor league deal with the Mariners in December.
Festa was drafted in the 7th round of the 2016 draft.
Elias was acquired in April 2018 from the Red Sox for Eric Filia.
Bradford was claimed off waivers in January 2018 from the Mets
Gearrin signed a one year deal with the Mariners in January.
Swarzak was acquired in December with Jay Bruce, Justin Dunn, Gerson Bautista and Jarred Kelenic from the Mets for Edwin Diaz and Robinson Cano.
Seager was drafted in the 3rd round of the 2009 draft.
Strickland signed a one year deal with the Mariners in January.
Tuivailala was acquired from the Cardinals in July for Seth Elledge.
Armstrong was acquired from the Indians in December 2017 for international signing pool bonus money.