The Red Sox signed Zavala to a minor-league contract on Monday.
The Mariners outrighted Zavala to Triple-A Tacoma on Monday.
The Mariners designated Zavala for assignment Friday.
The Mariners outrighted Zavala to Triple-A Tacoma on Monday.
The Mariners designated Zavala for assignment Saturday.
The Mariners selected Zavala's contract from Triple-A Tacoma on Tuesday.
Zavala cleared waivers and was outrighted to Triple-A Tacoma on Saturday, Ryan Divish of The Seattle Times reports.
The Mariners designated Zavala for assignment Tuesday.
Zavala started at catcher and went 0-for-1 with a walk in an extra-inning loss to the White Sox on Thursday.
Zavala went 1-for-4 with a solo home run in Sunday's win over the Athletics.