Nolan Arenado is a veteran third-baseman known for his very good defense (he has 10 Gold Gloves to date). He was on the Rockies from 2013-2020 before being traded to the Cardinals in 2021, where he has since remained, until very possibly this offseason. Trading for him would likely cost some minor prospects and money for the Cardinals to use in their rebuild.
As announced at the beginning of last offseason, longtime president of baseball ops John Mozeliak has stepped aside and passed the torch to former Rays and Red Sox executive Chaim Bloom, who'd previously been a senior advisor with the Cardinals. Bloom's end-of-season press conference spelled out what had already become abundantly clear over the past 12 months: this will be an offseason unlike any the Cardinals have experienced in recent memory