The Seattle Mariners acquired left-handed reliever Caleb Ferguson from the Pittsburgh Pirates on Wednesday afternoon, bolstering their bullpen ahead of Thursday’s MLB trade deadline.

Ferguson, 29, is 2-2 with a 3.74 ERA since signing a one-year contract with the Pirates in January. One of the league’s best at inducing soft contact this year — his hard-hit percentage (25.2) and average exit velocity (83.5 miles per hour) both rank in MLB’s 100th percentile, per Statcast — Ferguson has allowed only one home run in 43.1 innings pitched.

“We are excited to add Caleb and fortify our bullpen down the stretch,” Mariners general manager Justin Hollander said. “He’s been one of the most reliable left-handed relievers in the game and adds postseason experience to our group.”

Ferguson becomes just

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