Carlos Correa - Stats - Batting | FanGraphs Baseball
You go down to Value and you look at the line for 2022, not the line for 2023. 2022 is last year, 2023 is THIS year. 2024 is NEXT year. He had a bad season at the plate THIS year but he was worth every penny last year.
The value is based on the average cost of 1 WAR in free agency. Nobody has been paid $66M in a single season but plenty of superstars have had years of dead money at the end of the contract (see Miguel Cabrera). Like many superstars in their prime Acuna isn't able to cash in at his full value because he hasn't reached free agency.