The Washington Nationals just gave the Mariners another reason to stop dragging their feet on Logan Gilbert.
On September 18, Washington signed Cade Cavalli to a four-year contract that runs from 2027 through 2030 and includes a club option for 2031. According to The Athletic’s Spencer Nusbaum, the deal guarantees Cavalli $47 million and could reach $70 million if the Nationals pick up the option.
That kind of move matters in Seattle because it shows exactly what a team can do when it decides it wants to keep a pitcher before the market gets a chance to take over. Cavalli wasn’t the obvious candidate for a major commitment when 2026 opened, but Washington acted anyway. Through 31 starts, the 28-year-old has a 3.12 ERA with 194 strikeouts in 164 2/3 innings, and his path has already taken him from Tommy John surgery and nearly three lost seasons to Opening Day starter.
The Nationals didn’t wait for another healthy year to make up their minds. They didn’t sit back for another arbitration cycle, either. They identified the arm they wanted, accepted the risk, and bought more control.
For the Mariners, the comparison is impossible to miss.
Gilbert can hit free agency after the 2027 season, and a four-year extension starting next year would buy out his final arbitration year plus three free-agent seasons. That kind of deal would cost far more than the $47 million Washington just committed to Cavalli, which is exactly what happens when a team waits this long.
And Gilbert isn’t some pitcher Seattle still needs to figure out. Through September 15, he posted a 3.69 ERA, 194 strikeouts and a 1.06 WHIP over 178 innings this season. He has piled up more than 1,000 major-league innings, made two straight Opening Day starts and spent his entire pro career in the organization.
The Mariners know what they have. They know the pitcher, the person and what he means to the rotation. The question is whether they’re willing to pay to keep him.
Seattle has already locked up Julio Rodríguez, Cal Raleigh and Josh Naylor for the long term, but none of its homegrown starting pitchers has landed an extension. That gap is starting to stand out.
Yes, pitchers carry risk. Gilbert missed time with a forearm strain in 2025, and any long-term deal for a starter can turn into a costly bet on innings that never show up.
Washington still just guaranteed $47 million to a pitcher who had Tommy John surgery and only 11 major-league starts before this season. The risk didn’t scare them off.
They decided Cavalli was worth it.
Seattle can’t point to Kade Anderson, Ryan Sloan or the rest of its pitching depth and treat that as a reason to let Gilbert walk after 2027. Prospects are there to help a rotation, not justify tearing one apart.
At the same time, Gilbert might simply decide he wants free agency. He has earned that right, and the Mariners can’t force him into a deal.
But they can - and should - put a serious offer on the table while there’s still time. If that proves impossible, then the front office needs to face what comes next and decide what an established, controllable impact hitter would look like in return.
What Seattle can’t afford is to do nothing and let the calendar decide for them.
Washington already secured one guaranteed free-agent season by moving early. The Mariners have one year of club control left on Gilbert, and they still have to choose between extending their homegrown ace, making an agonizing trade call or letting time make the decision itself.
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