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,

This article was originally published on www.si.com/mlb/diamondbacks as Diamondbacks GM Explains How Eugenio Suárez Trade Happened. On Wednesday night, the Arizona Diamondbacks finalized the deal that had been speculated for weeks. All-Star third baseman Eugenio Suárez was dealt to the Seattle Mariners.