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Diamondbacks Transfer Ketel Marte to Injured List

PUBLISHED Aug 21, 2026, 12:32 AM ET

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Media Bias Meter

Sources: 31

Left 6%

Center 77%

Right 16%

Sources: 31

The Arizona Diamondbacks have transferred star second baseman Ketel Marte to the 10-day injured list due to inflammation in his upper hamstring and medial joint of his left knee. The transaction follows a brief absence where Marte returned to Phoenix for medical evaluations after missing a series opener against the Boston Red Sox. Team officials, including General Manager Mike Hazen and Manager Torey Lovullo, met with Marte to address the situation and stabilize his recovery plan. Marte is batting .249 with 21 home runs and 67 RBIs across 118 games this season. The team expects him to resume playing once he completes his rehabilitation window, with an earliest possible return date set for August 31 against the Philadelphia Phillies. Arizona is currently locked in a competitive National League wild-card race, trailing the final playoff spot by one game and needing active roster adjustments to offset his absence.

By James Porter | JQJO News

Timeline of Events

On July 15, 2025, Ketel Marte experienced a brief absence following a home break-in incident.
On August 14, 2026, Ketel Marte exited a game against the Atlanta Braves due to left knee soreness.
On August 16, 2026, Ketel Marte returned to the Diamondbacks lineup to play second base.
On August 17, 2026, Ketel Marte did not report for the team's road game in Boston.
On August 18, 2026, the Diamondbacks placed Ketel Marte on the restricted list while traveling.
On August 19, 2026, team officials confirmed Marte flew back to Phoenix for medical imaging.
On August 20, 2026, Marte met in person with team management and his representatives in Arizona.
On August 21, 2026, the Diamondbacks officially transferred Ketel Marte to the 10-day injured list.
On August 31, 2026, Ketel Marte becomes eligible to return from the injured list.
On October 1, 2026, the regular season concludes as the playoff race finalizes.
In September 2026, Arizona will navigate crucial divisional games without their starting second baseman.
In late 2026, Marte aims to help push the Diamondbacks deep into the postseason.

News Intelligence

Immediate US impact: Arizona adjusts active roster depth to maintain wild-card playoff standing.
Possible long-term US impact: Sustained offensive productivity remains vital for late-season postseason qualification.
Most affected groups: Arizona Diamondbacks fans, management, and National League wild-card contenders.
Reader priority: Monitor official MLB announcements and beat writer reports for lineup updates.

Media Bias

Articles Published:: 31
Right Leaning:: 5
Left Leaning:: 2
Neutral:: 24

Explain Framing

Left: Focuses heavily on player wellness, personal context, and organizational communication transparency. Center: Reports transactions, medical updates, and standings impact with neutral factual attribution. Right: Emphasizes roster discipline, accountability, and team performance implications during playoff races.