Mariners acquire slugger Josh Naylor in trade with D-backs

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Mariners Acquire Josh Naylor in Trade with D-backs The Mariners acquire Josh Naylor headline is officially true. Seattle landed the left‑handed slugger in a trade with Arizona. The move brings power and consistency to first base as they chase a postseason spot. It also signals that the Diamondbacks are embracing seller mode ahead of the MLB trade deadline.

 

Trade Details

The Mariners acquired first baseman Josh Naylor from the D-backs in exchange for two prospects. They sent Brandyn Garcia and Ashton Izzy to Phoenix. Garcia is a lefty reliever ranked among Seattle’s top 15 prospects.  is a right‑handed starter in the high Class‑A ranks. New York Post+3Reuters+3Diario AS+3

Naylor has been a strong bat this season. He batted .292 with 11 home runs and 59 RBIs in 93 games. He brings an above-average slash line and playoff experience. Arizona covered the bulk of his salary; Seattle takes the rest. Reuters+1Diario AS+1

 

Why Seattle Made the Move

Seattle’s first base production lagged this season. The Riley Solano platoon combined for a .220 average with limited power. Naylor fixes that immediately. He adds thump to the middle of the order .Lookout Landing+15Reuters+15Newsweek+15

General manager Justin Hollander praised Naylor’s consistency and team makeup. He said the trade improves offensive depth as Seattle chases the AL West and wild‑card race .Midland Reporter-Telegram+7Reuters+7New York Post+7

Naylor also fits into the Mariners’ lineup between J.P. Crawford, Cal Raleigh and Randy  Analysts, including Jeff  Passat, called him “the best match” for Seattle’s needs.Newsweek+1Diario AS+1

 

What D-backs Get

Arizona pulled the trigger to sell veterans. They received Brandyn Garcia, Seattle’s No. 13 prospect, and Ashton Izzy, ranked No. 16. Both pitchers offer upside as rebuilding progress continues .Lookout Landing+4Diario AS+4Reuters+4

D-backs president Derrick Hall hinted more moves are coming. This trade opens space and signals a focus on future assets.Newsweek+14baseballamerica.com+14New York Post+14

 

Naylor’s Career & Outlook

Josh Naylor, 28, has played seven MLB seasons with the Padres, Guardians, D-backs and now Mariners. He owns a career .267 average with 95 home runs and 401 RBIs.  earned his first All‑Star appearance in 2024.New York Post+3Wikipedia+3Reuters+3

He arrived in Arizona after they traded Christian Walker in December 2024. Arizona gave Cleveland Slade  Ciccone and a draft pick. Naylor focused on leadership and offense in Phoenix. The Telegraph+12MLB.com+12CBSSports.com+12

He aimed to blend contact and power. In 2023, he hit .308 with high contact. In 2024, he hit 31 homers but saw strikeouts rise. He now seeks balance between average and power. arizonasports.com Last Word On Sports

 

Impact in Seattle

Seattle now gets a reliable and  bat at first base. Naylor’s .360 on‑base percentage and disciplined approach bring depth. He also handles high-pressure at-bats well .Newsweek Reuters

This move transforms the bottom half of Seattle’s lineup. It may ease worrisome slumps and boost playoff odds. It also raises expectations on their bullpen and rotation if they stay competitive .Houston Chronicle+15baseballamerica.com+15Newsweek+15

 

What’s Next

With the MLB trade deadline on July 31, 2025 at 6 p.m. ET, this deal starts the trading period. Seattle and Arizona may still and make moves. Mariners could target bullpen help. D-backs may move other expiring players. New York Post New York Post