Arizona Diamondbacks MLB trade predictions for Eugenio Suarez, Josh Naylor, Merrill Kelly

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The 2025 MLB trade deadline is July 31 and the Arizona Diamondbacks are in the middle of MLB trade rumors and speculation, with third baseman Eugenio Suarez, first baseman Josh Naylor, pitcher Merrill Kelly and pitcher Zac Gallen among the players in MLB trade chatter.
Where could those players land if the Diamondbacks decide to trade them before the deadline?
Check out some recent MLB trade predictions from MLB writers that include Diamondbacks players.
While writers predict Suarez, Naylor and Kelly to be traded, but there isn't a consensus landing spot for each player in the predictions for MLB trade destinations.
More deadline news: Diamondbacks slugger tops list of MLB's top trade candidates
CBS Sports: Eugenio Suarez will be traded to Milwaukee Brewers
Mike Axisa writes: "This one is probably a long shot, but I'm going with it. Monday night's win moved the Brewers into first place in the NL Central and also gave them the best record in baseball. It's the latest into a season they've had the game's best record since 1982. The vibes are immaculate right now and just about everything is going right. Why stir the pot at the trade deadline? I don't see it that way. I see an excellent team that is as well-positioned to make a World Series run as any point in franchise history. Caleb Durbin has been red hot the last few weeks at third base, though Suárez would still be an upgrade, plus smart teams figure out how to make the "more good players than lineup spots" thing work. Milwaukee might finish with only three double-digit home run guys this year. Suárez has game-changing power and is an excellent clubhouse guy, plus the Brewers are pretty much the only contender with rotation depth to spare. The Diamondbacks are said to be seeking young pitching in any trade. The Brewers have it. They match up very well as trade partners."
CBS Sports: Josh Naylor will be traded to Seattle Mariners
Mike Axisa writes: "Donovan Solano and the since-released Rowdy Tellez lead the Mariners in starts at first base, so yeah, the position has been a black hole this season. For a few years, really, since Ty France stopped hitting after the 2022 All-Star Game. Naylor is one of several rental Diamondbacks who figures to be on the move at the deadline. He's having a very productive season and his power lefty bat would slot into the middle of the order nicely alongside Cal Raleigh and Randy Arozarena. The Mariners are top 10 in baseball in runs scored per game. It's a good offense. There are days there are a few too many easy outs in the 6-7-8-9 lineup spots though, plus there is nothing wrong with adding to a strength. Naylor to the Mariners makes a ton of sense."
Related: Diamondbacks aim to buck this trend with Eugenio Suarez at trade deadline
ESPN: Merrill Kelly will be traded to Toronto Blue Jays
David Schoenfield writes: "The Blue Jays just keep winning, despite a rotation that ranks in the bottom third in the majors in ERA (Eric Lauer has been their best starter of late). We have them missing out on Lugo and Keller, in part because their farm system isn't considered particularly strong, so the final domino on our list is Kelly going to Toronto. Passan had good reasoning as to why the Diamondbacks would be more likely to trade Kelly than Gallen. Both are free agents, but Arizona could look to re-sign the older (and thus less expensive) Kelly in the offseason while keeping Gallen and giving him a qualifying offer to recoup a draft pick if he leaves as a free agent."
ESPN: Eugenio Suarez will be traded to New York Yankees
David Schoenfield writes: "General manager Brian Cashman has said the Yankees are 'going to go to town' at the trade deadline, suggesting they need a starting pitcher, bullpen help and an infielder. The offense has been better again in July after scuffling in June, but Aaron Judge could still use some help. There is an air of desperation as well with the Yankees, as the Toronto Blue Jays passed them in the standings, and Suarez is clearly a perfect fit for their gaping hole at third."
'My heart's still here. I'm still here': If Suarez stays, Diamondbacks can win | Opinion
ESPN: Josh Naylor will be traded to Seattle Mariners
David Schoenfield writes: "Naylor still makes sense as a solid contact hitter for a team that ranks in the bottom 10 of the majors in strikeout rate. Luke Raley can slide to right field or a bench role. The Mariners also need some bullpen depth and perhaps a right-handed bat that would provide an upgrade over Dylan Moore or Donovan Solano, but Naylor would be a nice addition, nonetheless."
Sports Illustrated: Zac Gallen will not be traded by Arizona Diamondbacks
Will Laws and Nick Selbe write: "Gallen has finished in the top 10 of NL Cy Young voting three times this decade, but the 29-year-old has picked an awful time for a down season. With his team desperately needing quality arms and himself months away from free agency, Gallen ranks 294th out of 300 qualified pitchers in run value and leads the NL in home runs allowed (23). None of his five pitches are working for him as practically all of his batted-ball metrics have trended in the wrong direction. He even gave up 12 combined earned runs in back-to-back June starts against the Rockies and White Sox. It all makes for a somber outlook, and while his track record may convince a contender to try and squeeze some quality innings out of him down the stretch, it also will make it hard for two teams to agree on his value."
Read more: Diamondbacks' Josh Naylor unfazed by trade rumors as MLB deadline nears
Sports Illustrated: Eugenio Suarez will be traded to New York Yankees
Will Laws and Nick Selbe write: "Suárez is a streaky power hitter who's had a terrific first half—the 33-year-old leads the majors in RBIs and with 36 home runs is on pace to top his previous career high of 49 homers set during the 2019 juiced-ball season. He also hit the 300th home run of his career last month and will likely be the best bat moved before the deadline. D-Backs GM Mike Hazen has thus far indicated an unwillingness to sell, but top prospect Jordan Lawlar is waiting in the wings, Suárez is a pending free agent and Arizona may not have the pitching to keep up in the playoff race following season-ending injuries to ace Corbin Burnes, starter Jordan Montgomery and closers Justin Martinez and A.J. Puk."
Sports Illustrated: Josh Naylor will be traded to Boston Red Sox
Will Laws and Nick Selbe write: "A 2024 All-Star with the Cleveland Guardians, Naylor is enjoying his fourth straight above-average offensive season following an offseason trade to Arizona and its hitter-friendly confines, where his OPS is more than 100 points higher than on the road. Still, he's one of just 12 qualified players batting at least .290 with an OPS over .800. Naylor, like Suárez, is set to be a free agent this offseason and a number of teams in need of a bat could sway the D-Backs into selling."
Brutal, tough decision: Diamondbacks should trade Eugenio Suarez | Opinion
Sports Illustrated: Merrill Kelly will be traded to Houston Astros
Will Laws and Nick Selbe write: "Kelly has never made an All-Star team or garnered Cy Young votes, but he's been one of the league's most solid starters since coming over from the KBO in 2019. His 3.76 ERA over that span ranks 16th (min. 800 IP), ahead of hurlers like Dylan Cease and Aaron Nola. He also showed during Arizona's 2023 World Series run that he can be counted on in the playoffs, recording a 2.25 ERA in four postseason starts. The 36-year-old could make for a sneakily good hired arm amid one of his best seasons before he enters free agency in the winter if the D-Backs elect to move him."
Bleacher Report: Eugenio Suarez will be traded to Seattle Mariners
Zachary D. Rymer writes: "The Mariners are interested in Suárez, according to ESPN's Buster Olney, and there's a lot more than just familiarity at play there. They have gotten only five home runs from third base this season, so scoring an upgrade the likes of Suárez would only further solidify them as a contender for their first-ever World Series appearance. Assuming Seattle is indeed that desperate for Suárez, there would be little stopping them from bringing him back to the Pacific Northwest. B/R's Joel Reuter has the Mariners' farm system ranked at No. 1 in MLB, and Logan Evans, Jurrangelo Cijntje and Ryan Sloan are pitchers Arizona could covet in a swap."
Reach Jeremy Cluff at [e-mail]. Follow him on X, formerly Twitter @Jeremy_Cluff.
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This article originally appeared on Arizona Republic: MLB trade predictions 2025: Arizona Diamondbacks shake up deadline