Rosternomics
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Red Sox BOS

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President of baseball ops: Chaim Bloom (since 2020) · GM: Brian O'Halloran (since 2020)

2020 roster — every player, value & surplus

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-15.5 pace
WAB — wins above budget (162-game pace)
-13.9 pace
TAB — roster Talent above budget (162-game pace)
24–36 (0.400)
record
-52M
surplus $M (value/$)
7.0
roster fWAR
$103.4M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Xander Bogaerts 27 FA-elig 56 1.6 20.0 -8.4
Jackie Bradley Jr. 30 FA-elig 55 1.6 11.0 +0.5
Alex Verdugo 24 pre-arb 53 1.6 0.2 +11.2
Christian Vázquez 29 FA-elig 47 1.3 4.2 +5.0
Mitch Moreland↔ SDP 34 FA-elig 22 1.1 1.3 +7.0
Nathan Eovaldi 30 FA-elig 9 0.9 17.0 -10.5
Rafael Devers 23 pre-arb 57 0.8 0.3 +5.4
Bobby Dalbec 25 – 23 0.7 0.1 +5.2
Ryan Brasier 32 pre-arb 25 0.5 0.2 +3.6
Martín Pérez 29 FA-elig 12 0.4 6.0 -2.7
Tanner Houck 24 – 3 0.4 0.0 +3.2
Kevin Pillar↔ COL 31 FA-elig 30 0.4 2.4 +0.7
Chris Mazza 30 pre-arb 9 0.4 0.1 +2.4
Kevin Plawecki 29 arb 24 0.3 0.9 +1.0
Yairo Muñoz 25 pre-arb 12 0.2 0.1 +1.7
Nick Pivetta↔ PHI 27 pre-arb 2 0.2 0.0 +1.6
Robert Stock 30 pre-arb 10 0.2 0.1 +1.2
Brandon Workman↔ PHI 31 FA-elig 7 0.1 1.2 -0.3
Darwinzon Hernández 23 pre-arb 7 0.1 0.2 +0.6
Dylan Covey 28 pre-arb 8 0.1 0.1 +0.6
Phillips Valdez 28 pre-arb 24 0.1 0.2 +0.4
César Puello 29 pre-arb 5 0.0 0.0 +0.3
Heath Hembree↔ PHI 31 FA-elig 11 0.0 0.8 -0.6
Christian Arroyo↔ CLE 25 pre-arb 14 0.0 0.1 -0.1
Deivy Grullón 24 pre-arb 1 0.0 0.0 +0.0
Jonathan Lucroy 34 FA-elig 1 0.0 0.1 -0.1
Domingo Tapia 28 – 5 -0.0 0.0 -0.3
Ryan Weber 29 pre-arb 17 -0.0 0.2 -0.5
Austin Brice 28 pre-arb 21 -0.0 0.2 -0.6
Jeffrey Springs 27 pre-arb 16 -0.1 0.2 -0.6
Matt Barnes 30 FA-elig 24 -0.1 3.1 -3.7
José Peraza 26 arb 34 -0.1 3.0 -3.7
Andrew Triggs↔ SFG 31 pre-arb 4 -0.2 0.1 -1.2
Josh Taylor 27 pre-arb 8 -0.2 0.2 -1.6
Colten Brewer 27 pre-arb 11 -0.2 0.2 -2.0
Kyle Hart 27 – 4 -0.2 0.1 -1.9
Matt Hall 26 pre-arb 4 -0.2 0.1 -1.9
Jonathan Araúz 21 – 25 -0.2 0.2 -2.0
Josh Osich↔ CHC 31 arb 13 -0.3 0.6 -2.9
Andrew Benintendi 25 arb 14 -0.3 3.4 -5.8
Mike Kickham 31 pre-arb 6 -0.3 0.1 -2.6
Robinson Leyer 27 – 6 -0.4 0.1 -2.7
Zack Godley 30 arb 8 -0.4 0.5 -3.7
Marcus Walden 31 pre-arb 15 -0.6 0.2 -4.3
J.D. Martinez 32 FA-elig 54 -0.7 23.8 -28.6
Tzu-Wei Lin 26 pre-arb 26 -0.7 0.2 -5.2
Michael Chavis 24 pre-arb 42 -0.8 0.2 -6.1

WAR = FanGraphs (fWAR). Green = produced more value than paid (bargain); red = paid more than produced. Service: pre-arb (<3 yr) / arb (3–6) / FA-eligible (6+). Click headers to sort.

History: front-office performance & develop-vs-buy (1985–2024)

Trade ledger (realized WAR, all-time)

Best acquisitions
PlayerYearWAR for BOS
Jason Varitek199721.2
Josh Beckett200520.1
Derek Lowe199718.0
Curt Schilling200315.2
Eduardo Rodríguez201414.3
Rick Porcello201413.1
Jarrod Saltalamacchia20108.8
Wilyer Abreu20227.5
Ones that got away
PlayerYear tradedWAR elsewhere
Jeff Bagwell199080.2
Brady Anderson198833.0
Hanley Ramírez200529.1
Jamie Moyer199628.0
Carlton Fisk198518.3
Carney Lansford198216.7
Carlos Martínez201316.0
Ernie Whitt198514.7
Rosternomics — quantifying front-office skill, attribution-clean. Follow @rosternomics on X. Decision-makers on record back to 1933; resource-controlled metrics (WAR & payroll) cover 1985–2026.
Data: FanGraphs (WAR), Baseball-Reference & the Chadwick Bureau register (rosters, IDs), the Lahman Database, Baseball America prospect rankings (via The Baseball Cube), and public payroll records. Transaction and trade data was obtained free of charge from and is copyrighted by Retrosheet. Executive birth/death data via Wikidata (CC0); bios are original. Emoji graphics by OpenMoji (CC BY-SA 4.0).
All figures are franchise-level outcomes credited to the decision-maker in the acquisition year — not solely attributable to one executive.