The Arizona Diamondbacks have made a significant move to bolster their bullpen by acquiring left-handed reliever A.J. Puk from the Miami Marlins. In return, the Marlins will receive promising prospects Deyvison De Los Santos and Andrew Pintar, a trade that underscores both teams' strategic maneuvers as they look to strengthen their respective futures.
A.J. Puk's Impact
A.J. Puk started the season in the Marlins' rotation but transitioned back to the bullpen after four starts. This year, as a reliever, Puk has thrived, posting an impressive 2.08 ERA. Over 30 1/3 innings, he has recorded 33 strikeouts and issued just six walks, demonstrating his control and power on the mound. Puk has earned an ERA+ of 109 across parts of five big-league seasons, indicating his consistent performance above the league average.
With free agency not an option for Puk until after the 2026 season, the Diamondbacks are making a long-term investment in their bullpen. Puk is expected to serve as the primary lefty setup man behind closer Paul Sewald, a role that will be pivotal as the team pushes for a playoff spot.
Prospects Headed to Miami
In exchange for Puk, the Marlins will receive two promising prospects. Deyvison De Los Santos has shown significant power at the plate, hitting 28 home runs in a combined 87 games at the Double-A and Triple-A levels this season. Over his four minor-league seasons, De Los Santos has maintained an impressive slash line of .293/.343/.508, showcasing his offensive prowess.
This season, De Los Santos has proven his versatility by playing at first base, third base, and as a designated hitter (DH). His multifaceted skill set will be a valuable addition to the Marlins' farm system as they look to strengthen their roster for the future.
Andrew Pintar, the second prospect in the trade, brings a solid batting line of .266/.355/.413 over two minor-league campaigns. Recently promoted to Double-A, Pintar has primarily played center field but has also seen time in left field and at second base. His defensive flexibility and potential for growth make him a notable asset for Miami.
Diamondbacks' Playoff Push
Currently holding a 53-50 record, the Diamondbacks are just one game behind the Padres for the third and final wild-card position in the National League. With nine teams in the NL within 5 1/2 games of the final wild-card berth, the competition is fierce. Acquiring Puk is a strategic move designed to enhance their bullpen's effectiveness and stability as they make a push for the playoffs.
The trade also illustrates the Diamondbacks' commitment to addressing their immediate needs while keeping an eye on the future. With Puk's eligibility for free agency not coming until after the 2026 season, Arizona has secured a key piece for their bullpen not just for this year, but for several seasons to come.
The Marlins, meanwhile, continue their strategy of building a robust farm system. By acquiring promising prospects like De Los Santos and Pintar, Miami aims to cultivate future stars who can contribute at the major-league level in the coming years. The trade reflects a balanced approach, with both teams making calculated decisions to strengthen their respective organizations.
As the race for the playoffs heats up, the Diamondbacks' latest acquisition could prove decisive. By adding a high-caliber reliever in A.J. Puk, Arizona has not only addressed a critical need but has also signaled their intent to be serious contenders as the season progresses. The upcoming games will reveal how impactful this trade will be for their playoff aspirations.