Why Logan Gilbert May Not Return to the Mariners’ Rotation: Injury Concerns, Rising Young Arms, and Strategic Shifts..
In a surprising development that has sparked debate among fans and analysts alike, sources close to the Seattle Mariners suggest that right-hander Logan Gilbert may not return to the starting rotation this season. While the club has not made an official announcement, team insiders and recent roster decisions indicate a shift in strategy that could see Gilbert transitioning to a bullpen role or even being used as trade capital ahead of the deadline.
Gilbert, 28, has been a key piece of Seattle’s rotation since his debut in 2021. Known for his towering 6-foot-6 frame, electric fastball, and strong command, he posted a 3.72 ERA over 32 starts in the 2024 season, showing durability and consistency. However, his 2025 campaign has been marked by inconsistencies and lingering concerns about his physical readiness.
Health Concerns Cloud Gilbert’s Status
One of the most pressing issues fueling speculation is Gilbert’s health. Though the team has not disclosed any specific injury, Gilbert was placed on the 15-day injured list in May with what was described as “shoulder fatigue.” He has since resumed light throwing but has yet to pitch in a rehab assignment. Mariners pitching coach Pete Woodworth remained cautious in his comments this week.
> “We’re going to take our time with Logan,” Woodworth said. “He’s a competitor, but it’s important that we do what’s best for both him and the team long term.”
Privately, team sources suggest that the coaching staff is concerned about a slight but noticeable drop in Gilbert’s velocity and spin rates—data that often foreshadows shoulder issues. While Gilbert has expressed a desire to return to the rotation, the organization appears to be weighing whether a full starter’s workload is realistic this season.
Emerging Arms in the Pipeline
Adding further complexity to the decision is the rapid rise of Seattle’s young pitching talent. Rookie right-hander Bryce Miller has been lights-out since being called up in April, posting a 2.41 ERA with a 10.7 K/9 over eight starts. Additionally, 23-year-old Emerson Hancock has made a compelling case to stay in the rotation with his recent performances, showing poise and command beyond his years.
The logjam is a good problem for the Mariners, who currently boast one of the deepest pitching staffs in the league. Manager Scott Servais acknowledged the team’s “pleasant dilemma” last week when asked about the rotation plans going forward.
> “We have a lot of guys throwing well, and that’s what you want,” Servais said. “But it also means making some tough choices.”
With Luis Castillo and George Kirby anchoring the top of the rotation, and both Miller and Hancock producing consistently, there’s little room for error—or injury—for Gilbert to reclaim his spot.
Strategic Realignment and Possible Trade Value
Beyond performance and health, there may be broader strategic reasons for Gilbert’s potential removal from the rotation. Multiple league sources believe the Mariners are quietly exploring trade options to bolster their offense, particularly in the outfield. Gilbert’s reputation as a reliable mid-rotation starter with two years of club control makes him a valuable asset.
“Gilbert’s contract is team-friendly, and he’s proven in a competitive division,” one American League scout noted. “If Seattle wants to make a big move at the deadline, his name will come up.”
While general manager Justin Hollander has not commented directly on any trade rumors, the team’s front office has made it clear that a deep postseason run is the goal this year. After narrowly missing the playoffs in 2024, the Mariners have been aggressive in trying to maximize their roster flexibility.
A Changing Role—Or the End of an Era?
If Gilbert does return to the mound for Seattle this year, it may be in a different role altogether. Several analysts have speculated that a transition to long relief or high-leverage bullpen work could be on the table—a move that could both protect his arm and provide value in tight games.
For fans, the situation is bittersweet. Gilbert has been a fan favorite since his rookie season, known for his intense preparation and quiet leadership. His departure from the rotation—whether temporary or permanent—marks a shift in both team identity and roster construction.
Still, in a competitive AL West and with October baseball in sight, the Mariners are making it clear: performance and health—not sentiment—will drive decisions.
“We’re in a position where every decision matters,” said Servais. “Logan has been a big part of our journey, and he’ll continue to contribute in whatever way best helps us win.”
Whether that means returning to the rotation, moving to the bullpen, or becoming part of a blockbuster trade remains to be seen. But one thing is certain—Logan Gilbert’s future is one of the most intriguing storylines in Seattle baseball this season.
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