Perdomo: Defense, Not Numbers, Matters Most

Arizona Diamondbacks shortstop Geraldo Perdomo is setting exceptionally high standards for his defense in the upcoming season. Although he achieved a stellar 7.0 bWAR and finished fourth in the National League MVP voting in 2025, Perdomo expressed dissatisfaction with his defensive performance. He emphasized that personal metrics do not matter as much as avoiding costly mistakes. Manager Torey Lovullo supports Perdomo's self-critique, highlighting his integral role in the team's defense. Lovullo noted past struggles, including Perdomo using an improperly broken-in glove, and detailed intense conversations aimed at improvement. Perdomo made defense his primary offseason focus, including participating in winter ball. He is also drawing inspiration and advice from new teammate Nolan Arenado, a decorated defender with multiple Gold Glove awards. Perdomo aims to emulate Arenado's consistent defensive excellence and mentality, believing this focus will elevate his game significantly.

Lovullo expressed confidence that Perdomo will achieve elite defensive status this year. He views Perdomo's accountability and drive for defensive perfection as crucial for the team. The manager acknowledged the occasional friction during their intensive focus on this aspect of Perdomo's game but believes it has ultimately strengthened their relationship and Perdomo's commitment. Perdomo's dedication to clean defensive play, coupled with his offensive prowess from the previous season, positions him as a key player for the Diamondbacks' success.