PHOENIX – The Arizona Diamondbacks are in an agreement with the Seattle Mariners on a deal that would include trading star third baseman Eugenio Suárez over to Seattle, as sources told ESPN’s Jeff Passan.
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D-Backs infielder Suarez (28) hits an RBI single against the Royals in the third inning during a game in Phoenix, at Chase Field on July 5, 2025. © Patrick Breen/The Republic / USA TODAY NETWORK via Imagn Images
One of the biggest names on the trade rumor list has finally made his departure as the D-Backs have sent Eugenio Suárez to Seattle. The agreement between the D-Backs and the Mariners will be finalized soon, pending a medical review.

Jul 21, 2025; Phoenix, Arizona, USA; Arizona D-Backs third base Suarez (28) celebrates after hitting a home run against the Houston Astros in the third inning at Chase Field. Mandatory Credit: Rick Scuteri-Imagn Images
Eugenio Suarez’s impact on for the D-Backs:
Eugenio Suárez has been one of the bright spots for the D-Backs in the 2025 season, as he has been hitting a .248 batting average, highlighted by his 36 home runs and 87 RBI’s. Suárez has been vocal about how much he has loved his time playing with the D-Backs and the impact it has had on his career. As Suárez enters free agency next season, there will be discussions on his possible return to the desert.

Jul 25, 2025; Pittsburgh, Pennsylvania, USA; Arizona D-Backs third baseman Suarez (28) fields a ground ball against Pittsburgh Pirates left fielder Tommy Pham (not pictured) during the fourth inning at PNC Park. Mandatory Credit: Charles LeClaire-Imagn Images
The D-Backs will be receiving two pitching prospects, along with first base prospect Tyler Locklear. (Credit: John Gambadoro | Arizona Sports). One of the biggest issues for the D-Backs has been problems with their pitching staff. Not only have injuries played a major part, but the bullpen help was nonexistent. The frustrations piled on top of each other, and General Manager Mike Hazen has been adamant on getting pitching prospects to fix what this Snakes ball club has been dealing with.
Seattle is currently second in the AL West with a 57-51 record and are looking to help bring another big bat alongside Cal Raleigh. Suárez joins a Mariners team that is ready to strike for at least a wildcard spot.
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Reporter Benjamin Bliklen covers the Arizona Diamondbacks and Arizona Cardinals for Burn City Sports. You can follow him on his X account, @BenBliklen
