Diamondbacks Claim Pitcher Grant Holman Off Waivers

The 25-year-old right-hander has major league experience and a unique Little League accomplishment.

Published on Feb. 16, 2026

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The Arizona Diamondbacks have claimed right-handed pitcher Grant Holman off waivers from the Oakland Athletics. Holman, 25, made his MLB debut in 2024 and has 40 appearances in the big leagues, posting a 4.66 ERA. He also threw a no-hitter for his Little League team in the 2013 Little League World Series, the only 7-inning solo no-no in LLWS history.

Why it matters

The Diamondbacks are looking to bolster their pitching staff, and Holman provides a young arm with major league experience. His unique Little League accomplishment also adds an interesting backstory to the transaction.

The details

Holman was originally a 6th-round draft pick by the Athletics in 2021. He made his MLB debut in August 2024 and has a career 4.66 ERA in 40 big league appearances, with a 33:18 strikeout-to-walk ratio over 38.2 innings. Last year, he had a strong stint at Triple-A Las Vegas, tossing 9.1 scoreless innings. However, his season was cut short due to rotator cuff tendinitis. Holman is under team control with the Diamondbacks through 2031.

  • Holman made his MLB debut in August 2024.
  • In 2013, Holman threw a no-hitter in the Little League World Series.
  • Last year, Holman's season ended on June 11 due to rotator cuff tendinitis.

The players

Grant Holman

A 25-year-old right-handed pitcher who was claimed off waivers by the Arizona Diamondbacks from the Oakland Athletics. Holman has major league experience and once threw a no-hitter in the Little League World Series.

A.J. Puk

A left-handed pitcher for the Diamondbacks who was placed on the 60-day injured list as he continues to recover from left ulnar collateral ligament surgery.

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What’s next

The Diamondbacks will look to get Holman integrated into their pitching staff and see if he can build on his major league experience.

The takeaway

The Diamondbacks have added a young pitcher with major league experience and an intriguing Little League accomplishment to their roster, as they look to bolster their pitching depth and potentially uncover a hidden gem.