The Seattle Mariners and Arizona Diamondbacks agreed to a blockbuster four-player trade overnight, one that will send slugging third baseman Eugenio Suárez back to the Pacific Northwest in exchange for three players: first baseman Tyler Locklear and right-handed pitchers Hunter Cranton and Juan Burgos.

The Mariners made a huge splash on the eve of the MLB trade deadline, agreeing to a deal that will bring slugger Eugenio Suárez back to Seattle from the Arizona Diamondbacks, according to a person with knowledge of the deal.