The Seattle Mariners option Jackson Kowar after activating Caleb Ferguson following a trade with the Yankees ahead of the ...

The Seattle Mariners bolstered their bullpen by acquiring veteran left-hander Caleb Ferguson from the Pittsburgh Pirates in ...

The Mariners’ pursuit of reinforcement to their bullpen came to fruition on Wednesday, as the club acquired left-hander Caleb ...

The Seattle Mariners have acquired left-handed reliever Caleb Ferguson from the Pittsburgh Pirates. The trade gives their ...

Ferguson gives Seattle a good weapon vs. lefty hitters, holding them to a .172 batting average and .451 OPS this season.

The Pittsburgh Pirates were busy on Wednesday, one day before Major League Baseball's trade deadline. The Pittsburgh Pirates ...

The Pirates are trading left-handed reliever Caleb Ferguson to the Mariners. Read more about the move at MLB Trade Rumors.

The Pittsburgh Pirates have traded left-handed reliever Caleb Ferguson to the Seattle Mariners. The deal was first reported ...

The Mariners, in search of bullpen help, finalized a deal to acquire lefty reliever Caleb Ferguson from the Pirates in ...

The Mariners are acquiring Caleb Ferguson, a 29-year-old left-handed reliever, from the Pittsburgh Pirates, sources told The ...

Ferguson threw a clean seventh inning with no strikeouts in Thursday's 6-0 win over the Rangers.