Diamondbacks left-handed reliever A.J. Puk is facing another setback as his rehab is paused due to left shoulder discomfort, prompting an MRI. After being drafted sixth overall in 2016, Puk has struggled with injuries, including Tommy John surgery in 2018, limiting him to a relief role. Despite a strong 2022-24 performance, he managed only eight innings last season and has been on the injured list again. With the Diamondbacks currently 35-34 and seeking bullpen improvements before the Aug. 3 trade deadline, Puk’s injury may heighten the urgency for upgrades.
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