A power bat is expected to be high on the Boston Red Sox's list of offseason priorities, but the offseason doesn't have too many sluggers to offer. Randy Arozarena, Seiya Suzuki and Brandon Lowe are some of the best free agent options.
Another power hitter has joined them on the free agent market. The Hanshin Tigers of Nippon Professional Baseball (NPB) have posted Teruaki Sato to MLB. Unfortunately, MLB has not agreed to extend the free agent posting window ahead of the expected lockout, so Sato will have to find a suitor before December 1.
Sato's talents suit the Red Sox well from an offensive perspective. He's fresh off a Triple Crown victory in NPB with a .306/.383/.609 slash line, 40 doubles, three triples, 39 home runs and 106 RBI over 143 games. Some American baseball fans might remember Sato from his performance in the World Baseball Classic, during which he notched three hits, all doubles, for Team Japan over five games.
There's some swing-and-miss in Sato's game and he fanned 164 times in 2026, but that's a risk teams have to take to bring the kind of power he boasts — look how it worked out for the Chicago White Sox and Munetaka Murakami, who hit 35 home runs in 127 games this year.
Red Sox would have to do a lot of roster shuffling to accommodate slugging free agent Teruaki Sato
Sato isn't the easiest fit with the Red Sox from a defensive standpoint. He's spent most of his time with the Hanshin Tigers as a third baseman, but that spot is taken by 2026 Gold Glove winner Caleb Durbin for the foreseeable future, barring an unexpected trade.
The Red Sox will have to address some of the issues with their lineup before they bring in any power hitter, but Sato especially. Durbin is the clear best defensive option at third base, so the Sox could move Sato to first base. However, he has no NPB experience there and Boston still has Willson Contreras to place. Sato or Contreras could become an everyday DH, but the Red Sox would need to clear their outfield logjam to allow for that spot to go to the same player consistently.
Sato has 269 games of outfield experience, less than half as many as he has at third base. His experience has been in right field, but it makes more sense for him to play left at Fenway — Boston's right field is one of the most difficult in the league and three-time Gold Glover Wilyer Abreu belongs there. Adding Sato to the outfield mix would also require a logjam-reducing trade or two, but it might be worth it since the Red Sox have to clear some of the roster crowding anyway.
With the right moves, Sato could be the power solution the Red Sox need. Given his recent history and the lack of elite talent in this free agent class, Sato will be a pricey addition to whichever team he lands on, but Boston can afford to make room for him.
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