Rosternomics
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Orioles BAL

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GM: Mike Elias (since 2019)

2024 roster — every player, value & surplus

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+13.0
WAB — wins above budget
+14.3
TAB — roster Talent above budget
91–71 (0.562)
record · made playoffs
+68M
surplus $M (value/$)
44.8
roster fWAR
$118.8M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Gunnar Henderson 23 pre-arb 159 7.9 0.8 +32.1
Colton Cowser 24 pre-arb 153 3.9 0.7 +15.7
Corbin Burnes 29 FA-elig 32 3.8 15.6 +0.3
Anthony Santander 29 FA-elig 155 3.2 11.7 +1.7
Adley Rutschman 26 pre-arb 148 2.7 0.8 +10.6
Jordan Westburg 25 pre-arb 107 2.7 0.7 +10.3
Cedric Mullins 29 FA-elig 147 2.1 6.3 +2.6
Grayson Rodriguez 24 pre-arb 20 2.0 0.7 +7.7
Ryan O'Hearn 30 FA-elig 142 1.6 3.5 +3.0
Albert Suárez 34 FA-elig 32 1.5 0.7 +5.5
Ryan Mountcastle 27 arb 124 1.4 4.1 +1.9
Dean Kremer 28 arb 24 1.4 0.8 +5.2
Keegan Akin 29 arb 66 1.4 0.8 +5.2
Kyle Bradish 27 pre-arb 8 1.4 0.8 +5.0
Zach Eflin↔ TBR 30 FA-elig 9 1.0 3.5 +0.4
Ramón Urías 30 arb 100 0.9 2.1 +1.7
Jorge Mateo 29 arb 68 0.8 2.7 +0.5
Cionel Pérez 28 FA-elig 62 0.7 1.2 +1.8
Jacob Webb 30 arb 60 0.7 1.0 +1.8
Yennier Cano 30 pre-arb 70 0.6 0.8 +1.8
Cole Irvin↔ MIN 30 arb 25 0.6 1.7 +0.7
Danny Coulombe 34 FA-elig 33 0.5 2.3 -0.1
Cade Povich 24 pre-arb 16 0.5 0.7 +1.4
Emmanuel Rivera↔ MIA 28 arb 27 0.5 0.2 +1.9
John Means 31 FA-elig 4 0.5 3.3 -1.3
Austin Slater↔ CIN 31 FA-elig 33 0.3 1.6 -0.2
Heston Kjerstad 25 pre-arb 39 0.3 0.7 +0.6
Austin Hays↔ PHI 28 FA-elig 63 0.3 4.7 -3.5
Craig Kimbrel 36 FA-elig 57 0.2 12.0 -11.3
Dillon Tate↔ TOR 30 arb 29 0.2 1.3 -0.6
Tyler Wells 29 arb 3 0.2 2.0 -1.3
Livan Soto↔ CIN 24 pre-arb 12 0.2 0.7 -0.0
Kyle Stowers↔ MIA 26 pre-arb 19 0.2 0.2 +0.4
Bryan Baker 29 arb 19 0.2 0.7 -0.1
Vinny Nittoli↔ OAK 33 arb 2 0.1 0.2 +0.2
James McCann 34 FA-elig 66 0.1 12.2 -11.8
Gregory Soto↔ PHI 29 arb 23 0.1 1.7 -1.4
Colin Selby↔ KCR 26 pre-arb 3 0.1 0.4 -0.2
Nick Vespi 28 pre-arb 11 0.1 0.7 -0.5
Ryan McKenna↔ SFG 27 arb 9 0.1 0.6 -0.3
Cristian Pache↔ MIA 25 arb 3 0.0 0.0 +0.2
Burch Smith↔ MIA 34 arb 25 0.0 0.3 -0.1
Yohan Ramírez↔ BOS 29 – 5 0.0 0.0 +0.1
Matt Bowman↔ ARI 33 FA-elig 15 0.0 0.6 -0.4
Trevor Rogers↔ MIA 26 arb 4 0.0 0.2 -0.1
Tucker Davidson 28 pre-arb 1 0.0 0.0 +0.0
Thyago Vieira↔ ARI 31 FA-elig 1 0.0 0.0 -0.0
Mike Baumann↔ ANA 28 arb 17 -0.0 0.2 -0.3
David Bañuelos 27 – 1 -0.0 0.0 -0.1
Daniel Johnson 28 pre-arb 1 -0.0 0.0 -0.2
Jackson Holliday 20 pre-arb 60 -0.0 0.7 -0.9
Chayce McDermott 25 – 1 -0.1 0.0 -0.2
Matt Krook 29 pre-arb 1 -0.1 0.7 -1.0
Connor Norby↔ MIA 24 pre-arb 9 -0.1 0.1 -0.5
Nick Maton 27 pre-arb 5 -0.1 0.1 -0.5
Tony Kemp 32 FA-elig 5 -0.1 1.0 -1.6
Jonathan Heasley 27 arb 4 -0.2 0.7 -1.8
Seranthony Domínguez↔ PHI 29 FA-elig 25 -0.3 1.7 -2.8
Eloy Jiménez↔ CHW 27 arb 33 -0.5 4.7 -6.7
Coby Mayo 22 – 17 -0.6 0.2 -2.5

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 BAL
Brady Anderson198833.0
Adam Jones200829.6
Melvin Mora200026.9
Chris Hoiles198824.8
Scott Erickson199516.4
J. J. Hardy201014.3
Randy Milligan198811.9
Mike Devereaux198911.7
Ones that got away
PlayerYear tradedWAR elsewhere
Dennis Martínez198622.5
Jake Arrieta201319.6
Bryn Smith197716.4
Mickey Tettleton199114.4
Eduardo Rodríguez201414.3
Mike Yastrzemski201911.3
Eddie Murray198810.8
José Mesa19929.1
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.