The Arizona Diamondbacks designated Alek Thomas for assignment due to a lack of offensive production. This decision reflects the team's urgency to improve performance during a critical stretch of the season.
Oct 20, 2023; Phoenix, Arizona, USA; Arizona Diamondbacks center fielder Alek Thomas (5) celebrates after hitting a two run home run during the eighth inning against the Philadelphia Phillies in game four of the NLCS for the 2023 MLB playoffs at Chase Field. Mandatory Credit: Joe Camporeale-USA TODAY Sports
PHOENIX – In a statement move on Friday afternoon, the Arizona Diamondbacks showed they could no longer afford patience without production. Designating Alek Thomas for assignment was not about effort, attitude, or defense. It was about the timing of a team watching its offense flatten during a stretch that could start to define the early part of its season.
Apr 19, 2026; Phoenix, Arizona, USA; Arizona Diamondbacks outfielder Alek Thomas against the Toronto Blue Jays at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images
Thomas represented everything organizations claim to value. He developed internally and earned respect in the clubhouse, not to mention delivering one of the most memorable swings in recent Diamondbacks history during the Phillies in the 2023 NLCS. Those moments matter to fans because they create emotional investment. But front offices are paid to evaluate what comes next, not what already happened. That is why ’s decision makes sense.
The Diamondbacks designated Alek Thomas for assignment due to insufficient offensive production, indicating a need for immediate improvement.
Designating a player for assignment in MLB means the team removes the player from the 40-man roster, allowing them to be claimed by other teams or sent to the minors.
Before being designated, Alek Thomas struggled with offensive production, which contributed to the Diamondbacks' decision to part ways with him.
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Diamondbacks center fielder Thomas (5) fields a hit by Tampa Bay Rays during the second inning at Chase Field on April 23, 2025, in Phoenix. © Michael Chow/The Republic / USA TODAY NETWORK via Imagn Image
The Diamondbacks have built their identity around pressure offense, athleticism, and lineup depth. When one lineup spot becomes an automatic out for extended stretches, the ripple effect changes the entire structure of an offense. Pitchers attack the order differently. Run-scoring opportunities disappear. Tight games become losses. Thomas still provided elite defensive value in center field, but modern contenders rarely carry everyday players who hit inconsistently over the years unless the overall impact remains overwhelming.
Jul 10, 2025; San Diego, California, USA; Arizona center fielder Thomas (5) hits a double during the third inning against the San Diego Padres at Petco Park. Mandatory Credit: Denis Poroy-Imagn Images
Arizona clearly reached the point where prevention no longer outweighed production. Calling up Ryan Waldschmidt signals urgency. It also signals belief. The organization understands that standing still in the National League is dangerous.