The Nats Report has a really great article about how the Tatis Deal Impacts the Nationals & More Importantly Juan Soto: https://thenatsreport.com/02/18/2021/allnews/how-the-tatis-deal-impacts-the-nationals-more-importantly-juan-soto/
Thanks. There will be a few differences with the Tatis deal. Tatis plays SS, and will continue to play SS for a good chunk of his deal, while Soto is a corner outfielder. That tends to bump up Tatis's value relative to Soto. Soto is a Super 2, Tatis wasn't, so Soto a contract signed next year would buy out years 2/3/4 of arbitration while Tatis's bought out a prearb year and three trips to arbitration. The pre-free agency years bought out for Soto would, all things being equal, be a bit more expensive than Tatis's were it not for the position. The two are a little over 2 months apart age-wise, so figure the end date can be the same (age 36). You can look at the Tatis deal and figure it prices his free agent years at $30 million a year for 10 years (similar to Bregman's deal, but for 10 years and not 2), and his 4 years of team control at $40 million (again, based off Bregman's deal).
What would 3 years of Soto team control for his second, third, and 4th time through arbitration be worth? Bellinger was a Super 2, and he's gotten $11.5MM for 2020 and is getting $16.1MM for this year. Given that Soto is getting $8.5MM for his Super 2 year, maybe his pre-arb years are worth $8.5 MM, $13 MM, $20 MM, and $27 MM (latter 2 just taking Mookie Betts last 2 years even though he was not Super 2). Maybe discount the Betts numbers a bit because he was an MVP, like Bellinger, but not too much. Say you value his last 3 years at $55MM instead of $60MM. With a long term contract, you trade off some money for security, so maybe discount it a bit more to $50MM. That sounds like 13 years, $350 million as a starting point. That does not take out Trout (a cf) or Betts (12 FA years) as the most total dollars, but it is more than Tatis, Harper, or Stanton.