BALTIMORE -- The Seattle Mariners have acquired catcher Wellington Castillo from the Chicago Cubs in for right-handed relief pitcher Yoervis Medina.

The teams swapped the players on Tuesday. Castillo likely will back up Seattle's Mike Zunino, while Medina will report to Triple-A Iowa with the Cubs organization.

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Castillo played parts of six seasons with the Cubs and appeared in 223 games during the 2013 and 2014 seasons. Castillo is a .252 hitter with 29 home runs and 110 RBIs in 310 career games with the Cubs.

Castillo has appeared in 24 games with eight starts this season serving as one of two backups to Miguel Montero.

Medina was 1-0 with a 3.00 ERA in 12 relief appearances with Seattle before being optioned to Triple-A Tacoma on May 3. Medina has made 141 relief appearances with the Mariners the past three seasons.