Jordan Montgomery

It's merely a procedural move as Montgomery is set to undergo season-ending Tommy John surgery. The 32-year-old southpaw will likely miss a significant portion of the 2026 season as well. He'll be a free agent at the conclusion of the year.

Montgomery made 25 appearances last season and recorded a 6.23 ERA and 1.65 WHIP.

Diamondbacks left-hander Jordan Montgomery says he will be having Tommy John surgery next week, per Nick Piecoro of the Arizona Republic. He will therefore miss the 2025 season and likely a notable chunk of 2026 as well. The out-of-nowhere news is a brutal development for the lefty. The past year-plus have already been a challenging…

Arizona Diamondbacks left-hander Jordan Montgomery will have Tommy John surgery for the second time and will miss the 2025 season.

The Diamondbacks lost two relievers this week with right-hander Kevin Ginkel dealing with shoulder inflammation and left-hander Jordan Montgomery undergoing elbow surgery. As a result, Arizona signed Beeks to occupy the final bullpen spot. While Beeks posted a 4.50 ERA in 71 appearances for the Rockies and Pirates last season, he held lefties to a .202 average and .570 OPS and figures to be used primarily to get them out in 2025.