Some contract predictions for the top FA's from Jim Bowden today. The list below are players that he sees as potential fits for the Red Sox(among other teams). On this list, I would explore Rodon, Rizzo, Schwarber, Iglesias, and Belt.
--Corey Seager: 10 years, $320 million
--Carlos Correa: 10 years, $300 million
--Freddie Freeman: 6 years, $187 million
--Marcus Semien: 5 years, $148 million
--Trevor Story: 7 years, $204 million
--Carlos Rodon: 1 year, $12 million plus incentives
--Anthony Rizzo: 4 years, $80 million(Bowden only lists the Yankees and Red Sox as best fits for Rizzo)
--Raisel Iglesias: 3 years, $51 million
--Kyle Schwarber: 3 years, $54 million
--Brandon Belt: 4 years, $79 million
https://theathletic.com/2940507/2021/11/08/top-25-mlb-free-agents-of-2021-22-jim-bowdens-rankings-contract-predictions-and-best-team-fits-for-a-stacked-class/?source=user_shared_article
Compare those numbers above to the contract predictions by FanGraphs. Ben Clemens makes predictions and also has the rest of the FG staff give their takes as well.
Seager
Ben Clemens: 8/240
Median Crowdsource: 7/196
Avg Crowdsource: 7/196
Correa
Ben Clemens: 9/297
Median: 8/240
Avg: 8/243
Freeman
Clemens: 5/135
Median: 5/125
Avg: 5/139
Semien
Clemens: 4/120
Median: 4/92
Avg: 4/113.5
Story
Clemens: 5/115
Median: 6/150
Avg: 5/131.5
Belt
Clemens: 1/18
Median: 2/33.2
Avg: 2.2/36.2
Rodon
Clemens: 3/45
Median: 4/76
Avg: 3/76.6
Rizzo
Clemens: 2/26
Median: 3/48
Avg: 3/56.7
R. Iglesias
Clemens: 3/45
Median: 3/30
Avg: 2.8/29.8
Schwarber
Clemens: 4/60
Median: 4/60
Avg: 3.7/55.2