Teruaki Sato might solve the Cardinals' third base woes in the short term

The St. Louis Cardinals are entering the 2026-2027 offseason with some excitement and optimism. Young players have come up and proven their worth, and there are about a dozen more to come. However, that doesn't mean that president of baseball operations Chaim Bloom shouldn't look to fill holes on the roster with outside players. Teruaki Sato could be a good fit for the club.

Jeff Jones of the Belleville News-Democrat posted on his Twitter/X page that two of the three troublesome spots for the Cardinals this year, catcher, center field, and third base, are settled going into the winter. Manager Oli Marmol stated that Nathan Church and Leo Bernal will enter the offseason as incumbents at center field and catcher, respectively.

Third base, however, is "wide open", according to Jones.

Since 2025, the St. Louis Cardinals rank dead last in majors in third base production. Their cumulative -0.1 fWAR total at the hot corner in that time span is the worst in MLB. Nolan Arenado, Nolan Gorman, Thomas Saggese, Ramon Urias, and Blaze Jordan have been the primary occupants there, and Arenado's 0.8 fWAR total is the best. Gorman, Cesar Prieto, and Urias have all been negative players at the position.

This has created a glaring hole at third base for the Cardinals, and there is one upcoming free agent who might fit the bill: Japanese star Teruaki Sato.

Japanese star Teruaki Sato would be an interesting grab for the St. Louis Cardinals this offseason.

Teruaki Sato, a 27-year-old third baseman out of Nippon Professional Baseball, is likely one of the best free agents this offseason. He's the reigning NPB MVP, and his 2026 season was exceptional offensively. He currently has a .313/.391/.613 slash line with 36 home runs in just 134 games. NPB is a historically low-offensive league, so the fact that he's putting up numbers like these prove that he's an exceptional batter. All of his slash line numbers lead the league.

Sato will have to go through the posting system if his team, the Hanshin Tigers, do indeed make him available. Due to this fact, the team that acquires him will have to pay the Tigers an additional percentage of Sato's total contract.

There are some questions surrounding the left-handed hitter's transition to the majors. He has a 27% strikeout rate (155 strikeouts in 575 plate appearances). For comparison, a 25-year-old Munetaka Murakami had a 28.6% K rate in 2025, his final year in NPB. Sato has often drawn comparisons to Murakami.

Sato's defensive position has also come into question. While he's primarily played third base in Japan, there is an assumption that he'll have to shift to the corner outfield or even first base. All three of those positions are comfortably filled for the Cardinals by Joshua Baez, Jordan Walker, and Alec Burleson.

St. Louis hasn't often dipped its toe into Japan when it comes to free agents, especially big-name players like Sato. They made a pass at Yoshinobu Yamamoto a few years ago, but Yamamoto's price tag exceeded the DeWitt family's puke point. Sato would be a game changer offensively for the Cardinals, but his questionable defense and potentially costly contract may turn the Cardinals away.

Additionally, Jesus Baez is likely 12 months away from a debut at the hot corner, and Thomas Saggese is finishing the season on a high note. While Teruaki Sato may be a nice addition to the roster, he may not fit the timeline. Perhaps that money could be spent on bolstering a faltering bullpen or finding depth pieces to fill out the roster.

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