Rosternomics
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Orioles BAL

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GM: Dan Duquette (since 2012)

2012 roster — every player, value & surplus

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+12.8
WAB — wins above budget
-2.3
TAB — roster Talent above budget
93–69 (0.574)
record · made playoffs
-9M
surplus $M (value/$)
30.3
roster fWAR
$87.0M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Adam Jones 26 FA-elig 162 4.4 6.2 +5.3
Matt Wieters 26 arb 144 4.1 0.5 +10.1
Jason Hammel 29 FA-elig 20 2.5 4.8 +1.7
J.J. Hardy 29 FA-elig 158 2.4 7.0 -0.9
Wei-Yin Chen 26 pre-arb 32 2.2 3.1 +2.6
Nick Markakis 28 FA-elig 104 2.0 12.0 -6.8
Chris Davis 26 arb 139 1.9 0.5 +4.3
Jake Arrieta 26 pre-arb 24 1.6 0.5 +3.6
Darren O'Day 29 arb 69 1.4 1.4 +2.3
Manny Machado 19 – 51 1.3 0.1 +3.1
Jim Johnson 29 FA-elig 71 1.2 2.6 +0.5
Chris Tillman 24 pre-arb 15 1.2 0.5 +2.7
Nate McLouth↔ PIT 30 FA-elig 55 1.2 1.1 +2.0
Miguel González 28 pre-arb 18 1.1 0.3 +2.5
Brian Matusz 25 pre-arb 34 0.9 1.4 +0.9
Troy Patton 26 arb 54 0.9 0.5 +1.9
Luis Ayala 34 FA-elig 66 0.9 0.8 +1.4
Joe Saunders↔ ARI 31 FA-elig 7 0.8 1.5 +0.6
Pedro Strop 27 arb 70 0.7 0.5 +1.2
Wilson Betemit 30 FA-elig 102 0.6 1.0 +0.7
Mark Reynolds 28 arb 135 0.6 7.5 -5.9
Steve Johnson 24 pre-arb 12 0.6 0.3 +1.2
Nolan Reimold 28 arb 16 0.6 0.5 +1.0
Zack Britton 24 pre-arb 12 0.6 0.5 +1.0
Matt Lindstrom↔ ARI 32 arb 34 0.3 2.7 -1.8
Steve Pearce↔ HOU 29 – 28 0.1 – –
Lew Ford 35 – 25 0.1 – –
Nick Johnson 33 FA-elig 38 0.0 0.8 -0.7
Dylan Bundy 19 pre-arb 2 -0.0 1.2 -1.3
Stu Pomeranz 27 – 3 -0.0 – –
Bill Hall 32 – 7 -0.0 – –
L.J. Hoes 22 – 2 -0.0 0.5 -0.5
Dana Eveland 28 FA-elig 14 -0.0 0.8 -0.9
Randy Wolf↔ MIL 35 FA-elig 5 -0.1 1.5 -1.7
Zach Phillips 25 pre-arb 6 -0.1 0.5 -0.7
J.C. Romero↔ STL 36 FA-elig 5 -0.1 0.2 -0.4
Joe Mahoney 25 pre-arb 2 -0.1 0.5 -0.7
Xavier Avery 22 – 32 -0.1 0.5 -0.8
Jason Berken↔ CHC 28 – 1 -0.1 0.1 -0.4
Jim Thome↔ PHI 41 FA-elig 28 -0.1 0.6 -1.0
Miguel Socolovich↔ CHC 25 – 6 -0.2 0.2 -0.7
Kevin Gregg 34 FA-elig 40 -0.2 5.8 -6.3
Omar Quintanilla↔ NYM 30 – 36 -0.3 – –
Luis Exposito 25 pre-arb 9 -0.3 0.5 -1.2
Robert Andino 28 FA-elig 127 -0.4 1.3 -2.2
Tommy Hunter 25 arb 33 -0.4 0.5 -1.5
Steve Tolleson 28 pre-arb 29 -0.4 0.5 -1.5
Taylor Teagarden 28 arb 22 -0.4 0.5 -1.6
Ronny Paulino 31 FA-elig 20 -0.5 1.0 -2.2
Ryan Flaherty 25 pre-arb 77 -0.5 0.5 -1.8
Endy Chavez 34 FA-elig 64 -0.9 1.5 -3.7
Brian Roberts 34 FA-elig 17 -0.9 10.0 -12.4

52 players appeared (WAR is complete); salary & surplus are on record for 47 of them (90%). Players without a salary show "–" — no single historical salary source is fully complete (especially 2020–2022).

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.