Mariners Land Naylor, Diamondbacks Begin Selloff

The Seattle Mariners have acquired first baseman Josh Naylor from the Arizona Diamondbacks in exchange for pitching prospects Brandyn Garcia and Ashton Izzi, marking the first major move of the 2025 MLB trade season. Naylor has posted a .292 batting average with 11 home runs and 59 RBIs this season, and will help bolster Seattle's lineup as they pursue a playoff berth. The Mariners address a key need at first base, giving up only mid-tier prospects, while the Diamondbacks signal the start of a rebuild. Arizona may make additional trades, with Eugenio Suárez named as a possible next departure. The move also impacts teams like the Boston Red Sox, who were reportedly interested in Naylor. Both teams are expected to remain active as the trade deadline approaches.