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Diamondbacks Weigh Moving Nolan Arenado From Third to First

The club says the first-base experiment is meant to limit Arenado’s physical wear and thereby open roster flexibility for the 2027 offseason.

Overview

  • Arizona confirmed on Oct. 29 that it is discussing having Nolan Arenado play some first base in 2027 rather than making a full position switch.
  • General manager Mike Hazen said the move is aimed at reducing the physical toll on the 35-year-old veteran so he can remain available and productive.
  • Arenado is receptive and has discussed playing winter ball to gain reps at first base before the regular season.
  • Stat lines show Arenado was still a strong hitter in 2026 (.255/.331/.475, wRC+120, 3.5 WAR) while defensive metrics at third base were mixed across different measures.
  • If he can handle time at first, the shift would free Arizona to pursue different free-agent or trade targets and matters alongside the fact that Arizona pays about $6 million of his $15 million 2027 salary.