Roman Anthony is the latest top prospect to sign an early career extension after agreeing to terms on an 8 year, $130M guarantee with the Boston Red Sox. Spotrac broke down a few of the financials:

Realistic Total Value:

The extension includes a 2034 Club option that would change the base value to 9 years, $160M if it gets exercised.
Salary escalators could increase the total value to $230M but Anthony would need to parlay the following:
1.  Top-2 finish in 2025 AL Rookie of the Year voting (2nd best odds across most major sportsbooks at signing)
2.  Win 9 straight MVP awards starting in 2025 (Barry Bonds won 7x over span of 15 years)
3.  Make 8 consecutive All-Star appearances (2026 through 2033)
4.  Boston exercises a $53.8M Club option in 2034 (Juan Soto AAV = $51M)

The ceiling outcome for this deal relies on Anthony becoming the best player in MLB history so how much could he actually earn on this extension? 

Using current players to model the salary escalation structure:
8 years, $141.15M OR 9 years, $180.7M - Francisco Lindor (2015-2023)
8 years, $145.55M OR 9 years, $187.3M - Jose Ramirez (2015-2023)
8 years, $151.75M OR 9 years, $195.9M - Mookie Betts (2015-2023)
8 years, $160.85M OR 9 years, $208.75M - Mike Trout (2012-2020)

Comparable Extensions:

Julio Rodriguez signed a 12 year, $209.3M extension ($17.4M+ AAV) with 141 days of service .
Roman Anthony signed an 8 year, $130M extension ($16.25M AAV) with 58 days of service.
Jackson Merrill signed a 9 year, $135M extension ($15M AAV) after one full season of service .
Corbin Carroll signed an 8 year, $111M extension ($13.875M AAV) with 38 days of service.
Ronald Acuna signed an 8 year, $100M extension ($12.5M AAV) with 159 days of service.
Jackson Chourio signed an 8 year, $82M extension ($10.25M AAV) before his debut.

Arbitration Breakdown:

The extension buys out all of his club controlled seasons but how much could Anthony have made by going year to year through the arbitration process?
The following are among the highest earners in arbitration:
Juan Soto - $79.6M  (S2)
Vladimir Guerrero Jr. - $70.85M  (S2)
Kris Bryant - $61.85M  (S2)
Mookie Betts - $57.6M
Francisco Lindor - $50.35M
George Springer - $48.9M  (S2)
Trea Turner - $45.175M  (S2)
Bryce Harper - $42.85M (S2)
Pete Alonso - $42.4M
Aaron Judge - $37.675M

Comparable extension - arbitration earnings:
Ronald Acuna - $54M (projected S2)
Julio Rodriguez - $54M
Corbin Carroll - $36M
Jackson Chourio - $32M
Jackson Merrill - $24M

Anthony was on pace for arbitration eligibility starting in 2029 but that would shift to 2028 if he automatically earns a full year of service by finishing top two in Rookie of the Year voting or qualifies for Super Two status. That service time uncertainty means we can’t yet determine the actual amount earned over those seasons but the total will be $42M (2028-2030), $57M (2029-2031) or $65M (2028-2031) if he qualifies for an extra year of arbitration.

Boston Red Sox Extensions:

The organization has now locked up a talented young core with five early extensions over the last two seasons:
Brayan Bello signed a 6 year, $55M pre-arbitration extension in March 2024 (1.082 years of service).
Ceddane Rafaela signed an 8 year, $50M pre-arbitration extension in April 2024 (49 days of service).
Garrett Crochet signed a 6 year, $170M arbitration extension in March 2025 (4.028 years of service).
Kristian Campbell signed an 8 year, $60M pre-arbitration extension in April 2025 (6 days of service).
Roman Anthony signed an 8 year, $130M pre-arbitration extension in August 2025 (58 days of service).