Soaring prospect's cycle is latest excuse for Mariners to rethink his MLB path

As the Seattle Mariner have struggled to launch throughout the 2026 season, the silver lining all the while has been the amazing feats of their best minor leaguers. Kade Anderson is a one-man army as a pitcher. Lazaro Montes keeps hitting the ball to the moon. And increasingly, Felnin Celesten is just plain hard to ignore.

He has been the breakout star of Seattle's farm system since he got his bat going in May, and June has somehow been even better. He has a 1.009 OPS and seven homers this month, including a 421-foot blast as part of a cycle on Thursday.

That isn't even the extent of the power that the 20-year-old has shown this season. Or heck, even this past week. He also clubbed a 448-foot homer on Tuesday:

Celesten is up to 67 games for High-A Everett with a .318/.408/.525 slash line, 11 home runs and 17 stolen bases. He leads the Northwest League in average and OBP, and is second in slugging.

If nothing else, Celesten is proving that he should not be defined by an injury-marred 2025 campaign that resulted in his stock taking a dive just two years after his much ballyhooed signing out of the Dominican Republic. He's pushed himself back into the top-100 conversation, and maybe even the top-20 conversation.

To their credit, Jerry Dipoto, Justin Hollander and the rest of the front office don't tend to rush prospects. Yet while the established precedent is for even the best hitting prospects to play at least 100 games at High-A, a promotion to Double-A needs to be in Celesten's near future.

Mariners might have to change Felnin Celesten's position, or trade him

It's when one zooms out to see Celesten's long-term future that things get a little awkward. Because if he's a future Mariner, all signs point to one question: How?

Celesten has only played shortstop in the minors, and the very simple reason for that is that he's good at it. He is generally seen as a plus defender, with MLB Pipeline referring to him as "arguably the system’s best infield defender behind Colt Emerson."

Therein lies the obvious problem, as Celesten is staring up at a major league depth chart featuring Emerson and Cole Young as perhaps the best young double play combo in the league. Neither is going anywhere any time soon, as Emerson is committed to the Mariners through 2033 and Young isn't a free agent until after 2031.

There needs to be a serious discussion about giving Celesten reps at third base, where the Mariners are deficient right now, and don't have any clear long-term solutions. That's obviously one of two risky paths to take, with the other being selling high on his ascendant value in a trade before the August 3 deadline.

Since Celesten's major league ETA isn't until 2028, perhaps all this is jumping the gun in overthinking it. But there's nothing wrong with being prepared, and the Mariners certainly don't want to be unprepared for a scenario in which Celesten is ready for an MLB job he can't have.

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