Slugging third baseman Eugenio Suárez is headed back to the Seattle Mariners in a deal with the Arizona Diamondbacks, a person familiar with the deal said Wednesday night.

The Seattle Mariners have landed the best power hitter on the market at the 2025 MLB trade deadline. Seattle has agreed to a deal to acquire third baseman Eugenio Suárez from the Arizona Diamondbacks,

Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the Mariners have acquired infielder Eugenio Suárez from the Arizona Diamondbacks in exchange for infielder Tyler Locklear,