The Nationals traded Ferrer to the Mariners on Saturday in exchange for Harry Ford and minor-league pitcher Isaac Lyon, Robert Murray of FanSided.com reports.

EDGE Analysis

Ferrer finished the 2025 season with a 4.48 ERA and 1.27 WHIP over 76.1 innings, and he also recorded 11 saves upon taking over as the Nationals' closer following the departure of Kyle Finnegan. The Mariners' bullpen is a bit deeper than Washington's, however, so Ferrer is likely to take on a middle-relief role with his new club.

Ferrer earned the save in Saturday's 6-5 win over the White Sox, allowing a run on three hits while striking out three in the ninth inning.

EDGE Analysis

While Ferrer managed to hang on for his 11th save, it certainly didn't come easy for the left-hander -- Ferrer's now given up at least one run in five of his last six appearances, allowing eight earned runs total on 14 hits across seven innings in that span. Overall, the 25-year-old Ferrer sports a 4.48 ERA with a 1.27 WHIP and 71 strikeouts over 76.1 innings this season.

Ferrer (4-4) blew the save and took the loss against the White Sox on Friday, allowing two runs (one earned) on two hits in the ninth inning. He did not record a walk or strikeout.

EDGE Analysis

Ferrer was called upon to close out a late Nationals rally but allowed a two-run homer to Colson Montgomery in the ninth inning. After posting 14 straight scoreless appearances from Aug. 6 to Sept. 9, the southpaw has given up seven earned runs over his last five outings. For the season, he has 21 holds and 10 saves with a 4.42 ERA, 1.25 WHIP and 68:16 K:BB across 75.1 innings.

Ferrer earned the save in Wednesday's 4-3 win over Atlanta, allowing a run on two hits while striking out two in the ninth inning.

EDGE Analysis

Ferrer gave up a leadoff homer to Eli White in the ninth before bearing down to pick up his 10th save this year. The left-hander has been struggling of late, giving up six runs on nine hits in his last four appearances (five innings), though he appears to still have a grasp on the ninth-inning job. Overall, Ferrer's posted a 4.36 ERA with a 1.24 WHIP and 68 strikeouts across 74.1 innings this season.

Ferrer picked up the save in Friday's 6-5 victory over the Pirates. He allowed two runs on three hits and one walk while striking out one over one inning.

EDGE Analysis

Ferrer was called upon to protect a 6-3 lead in the ninth inning Friday, and he needed the entirety of that cushion and was fortunate to escape with the save. The bumpy performance ended a string of 14 straight scoreless appearances, though he remains 9-for-9 in save chances since taking over as Washington's closer after the trade deadline.

Ferrer recorded one out to earn a save against Miami on Tuesday. He gave up a hit but was not charged with a run.

EDGE Analysis

Ferrer came into a 7-4 game with a runner on second base. That runner would score, adding another run to Cole Henry's final line, but Ferrer would walk away with his eighth save of the year. Ferrer has now delivered 15.2 straight innings without giving up an earned run, lowering his ERA from 5.03 to 3.89 in the process. He's converted eight of his 10 save chances while posting a 60:14 K:BB across 69.1 frames.

Ferrer earned another save in Tuesday's 5-2 win over the Marlins, tossing a perfect frame while striking out one.

EDGE Analysis

Ferrer closed the door on the Marlins for a second straight day and now has converted a save in five of his last seven appearances. He's slid into the closer role admirably since the departure of Kyle Finnegan at the trade deadline, tossing 13.1 scoreless frames since Aug. 3 while posting a 12:1 K:BB.

Ferrer earned the save in Monday's 2-0 win over the Marlins, allowing no hits and one walk in a scoreless ninth inning. He struck out three.

EDGE Analysis

Ferrer produced his fifth save of the season, and each of which of have come following the trade of Kyle Finnegan. Ferrer had a 5.28 ERA through June 29, but he's settled in as Washington's closer and established a fairly strong grip on the role. Over his last 21.2 innings, the southpaw boasts a 1.66 ERA, 1.06 WHIP and 21:3 K:BB since the start of July to bring his ERA to 4.09 for the year.

Ferrer earned the save in Thursday's 9-3 win over the Mets, allowing one hit and no walks in 1.1 scoreless innings. He struck out three.

EDGE Analysis

Ferrer entered the game with the Nationals nursing a 5-3 lead in the eighth inning, but Washington scored four more runs in the bottom half of the frame to give him a big cushion to work with while recording the final three outs. The 25-year-old southpaw has emerged as the clear favorite for saves following the Kyle Finnegan trade, having now converted each of his four save chances in August. Over his last 18.2 innings, Ferrer sports a 1.93 ERA, 1.18 WHIP and 18:2 K:BB.

Ferrer gave up a hit in a scoreless ninth inning Wednesday to record his third save of the season in a 5-4 win over the Mets.

EDGE Analysis

The southpaw was able to erase a one-out single by Cedric Mullins with a game-ending double play thanks to a 97.9 mph sinker. Ferrer has pocketed three of the Nationals' four saves in August, with Cole Henry notching the fourth, and the former is the clear top option for closing duties in the bullpen. Over 17.1 innings since the beginning of July, Ferrer has posted a 2.08 ERA, 1.21 WHIP and 15:2 K:BB.