The Seattle Mariners have acquired left-handed relief pitcher Caleb Ferguson in a trade with the Pittsburgh Pirates, according to multiple sources. Ken Rosenthal of The Athletic and Adam Jude of The Seattle Times had it first,

The Seattle Mariners have agreed to acquire left-handed reliever Caleb Ferguson from the Pittsburgh Pirates. That's according to a person familiar with the deal who spoke to The Associated Press

The Mariners, in search of bullpen help, finalized a deal to acquire lefty reliever Caleb Ferguson from the Pirates in exchange for minor leaguer Jeter Martinez.