2025 MLB trade deadline grades: Report cards for every deal - ESPN

It's MLB trade season!

From the early deals to get things started to the last-minute rush of deadline day activity on Thursday, July 31, this is your one-stop shop for grades and analysis breaking down the details for every trade as they go down.

Follow along as ESPN MLB experts Bradford Doolittle and David Schoenfield evaluate and grade each move, with the most recent grades at the top. This story will continue to be updated, so turn back for the freshest deadline analysis.

Mariners get:
1B Josh Naylor

Diamondbacks get:
LHP Brandyn Garcia
RHP Ashton Izzi

Mariners grade: B+

This is the first significant trade heading into the final week before the deadline, and it's interesting in part because it signifies the Diamondbacks are going to be dealing — Naylor could be the first of a group that might include Eugenio Suarez, Merrill Kelly and Zac Gallen, potentially spicing up the deadline with some intriguing names.

While third base was the Mariners' biggest offensive need, Naylor gives them a well-rounded hitter who has been one of the top contact hitters in the majors this season, hitting .292/.360/.447 with 11 home runs and the 13th-lowest strikeout rate among qualified hitters. Naylor has done most of his damage against right-handed pitchers, hitting .310/.390/.493 with nine of his 11 home runs. That's an upgrade over incumbent Luke Raley, who has hit .248/.370/.397 against right-handers but is just 1-for-20 against southpaws, with light-hitting Donovan Solano serving as his platoon partner.

Naylor can play every day and fits somewhere in the middle of the lineup, which ranks in the bottom 10 in the majors in strikeout rate, so his contact ability will be a nice addition. It also improves Seattle's bench as Raley can now