Robinson Canó
On December 3, 2018, the Mets traded Swarzak, Jay Bruce, Jarred Kelenic, Gerson Bautista, and Justin Dunn to the Seattle Mariners for Edwin Díaz, Robinson Canó, and $20 million. Swarzak missed spring training in 2019, as he was placed on the injured list in March 2019. Swarzak returned to the active roster on April 2, 2019.