The Seattle Mariners have acquired left-handed reliever Caleb Ferguson from the Pittsburgh Pirates. The trade gives their bullpen another arm as they make a playoff push.

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

The Pirates continue to be active as Thursday’s Trade Deadline nears, as they sent lefty reliever Caleb Ferguson to the Mariners on Wednesday for Minor League right-hander Jeter Martinez. Ferguson sig