The Seattle Mariners may very well be deeper, younger and more balanced heading into 2026 than they were at this time a year ago. On paper, the roster evolution suggests progress. But baseball isn’t played on paper — and sentiment doesn’t follow spreadsheets.

For many in Seattle, the absence of Jorge Polanco still lingers.

Polanco’s 2025 campaign with the Mariners was nothing short of redemptive theater. After enduring the worst statistical season of his career in 2024, the former All-Star rediscovered his swing in the Pacific Northwest, delivering clutch hits and veteran stability when the lineup desperately needed both. His resurgence felt personal, almost poetic. He had publicly hinted at wanting to return. Instead, the New York Mets swooped in with a two-year, $40 million offer too strong to ignore. No one in Seattle begrudged him for securing his future. That’s business.

But what if the story isn’t finished?

What if the cost of that 2024 trade is about to sting even more?

When Seattle originally acquired Polanco from the Minnesota Twins in January 2024, one of the headline pieces heading back to Minnesota was a then-rising outfield prospect: Gabriel Gonzalez. At the time, Gonzalez wasn’t a throw-in. He was ranked the Mariners’ No. 3 prospect and sat No. 79 overall in baseball according to MLB Pipeline. The Carúpano, Venezuela native was viewed as a polished bat with advanced feel for contact and developing power.

Still, prospects are currency. And when an established infielder with All-Star pedigree becomes available, you spend currency. The logic was sound.

Then came 2024. Gonzalez battled injuries, slipped from prospect headlines and appeared to fade from immediate relevance. The trade felt justified. The Mariners got production from Polanco. Minnesota got a talented but uncertain lottery ticket.

Now? The ticket may be cashing in.

Last season, Gonzalez reemerged as a hitting machine across three minor league levels in the Twins’ system, posting averages north of .300 at each stop. Most eye-opening was his .316 average and .862 OPS in 34 games at Triple-A St. Paul. It wasn’t empty contact, either. He refined his approach, shortened his swing path and emphasized line drives over pull-side power. The result was a .329 combined minor league average and a dramatically improved strikeout rate — just 14.4 percent across 550 plate appearances.

That kind of bat control forces front offices to take notice. Minnesota did more than notice — they added him to the 40-man roster, protecting him from the Rule 5 Draft and signaling belief that his major-league moment could be near. Baseball America now ranks him as the Twins’ No. 10 prospect, while MLB Pipeline had him eighth in the system at season’s end. The trajectory is upward again.

Spring training in Fort Myers suddenly carries intrigue. In his previous two big-league camps, Gonzalez managed just 14 at-bats over 11 games — more observation than opportunity. This time should be different. With a right-handed swing that punishes left-handed pitching — evidenced by a 1.022 OPS against southpaws last season — he profiles as a potential platoon weapon immediately.

And that’s where this becomes complicated for Seattle.

Polanco’s departure already left a sentimental void. If Gonzalez breaks through in 2026 — even as a productive depth outfielder — it reframes the entire exchange. Instead of remembering the deal as a necessary gamble that paid short-term dividends, it risks being remembered as the move that cost them a long-term cornerstone.

There are nuances, of course. Gonzalez isn’t flawless. His once-promising speed has regressed from a 55 run grade to a below-average 45, limiting his defensive ceiling. While his arm strength makes him ideal for a corner outfield role, evaluators still debate whether he projects as an everyday impact bat or a high-end complementary piece.

But at 22 years old, trending upward and finally healthy, he’s positioned to answer those questions on the biggest stage. And if he does? Mariners fans may feel that familiar pang — the ache of watching a former prospect blossom elsewhere.

This isn’t to say Seattle made the wrong call. Polanco helped stabilize a competitive roster in 2025. Windows to contend are fragile, and front offices act accordingly. Yet baseball has a long memory. Breakout seasons have a way of rewriting narratives.

If 2026 becomes Gabriel Gonzalez’s arrival party in Minnesota, the Mariners’ calculus will look far more complex in hindsight. The trade that once symbolized ambition could morph into a cautionary tale about timing and patience.

For now, it’s only potential. But in a sport where yesterday’s prospects become tomorrow’s stars overnight, that potential is enough to make Seattle glance nervously toward Fort Myers this spring.

Because losing Jorge Polanco hurt. Watching Gabriel Gonzalez flourish might hurt even more.