Rosternomics
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Orioles BAL

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GM: Roland Hemond (since 1988)

1990 roster — every player, value & surplus

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+2.4
WAB — wins above budget
+1.9
TAB — roster Talent above budget
76–85 (0.472)
record
+3M
surplus $M (value/$)
28.5
roster fWAR
$9.2M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Cal Ripken Jr. 29 FA-elig 161 6.2 1.3 +1.4
Randy Milligan 28 arb 109 3.9 0.2 +1.6
Billy Ripken 25 arb 129 2.9 0.2 +1.1
Mickey Tettleton 29 FA-elig 135 2.9 0.8 +0.5
Joe Orsulak 28 FA-elig 124 2.2 0.6 +0.4
Pete Harnisch 23 pre-arb 31 2.0 0.1 +0.8
Gregg Olson 23 pre-arb 64 1.8 0.3 +0.5
Ben McDonald 22 pre-arb 21 1.8 0.2 +0.5
Tim Hulett Sr. 30 FA-elig 53 1.0 0.2 +0.2
Sam Horn 26 arb 79 0.9 0.1 +0.3
John Mitchell 24 arb 24 0.9 0.1 +0.3
Curt Schilling 23 pre-arb 35 0.7 0.1 +0.2
Mark Williamson 30 arb 49 0.7 0.3 +0.0
Bob Melvin 28 arb 93 0.7 0.3 -0.1
Mike Devereaux 27 arb 108 0.6 0.1 +0.1
Phil Bradley↔ CHW 31 FA-elig 72 0.5 0.7 -0.5
Brad Komminsk↔ SFG 29 – 46 0.5 – –
Craig Worthington 25 pre-arb 133 0.5 0.2 +0.0
Jose Mesa 24 arb 7 0.5 0.1 +0.1
Rene Gonzales 29 FA-elig 67 0.4 0.2 -0.0
Brady Anderson 26 pre-arb 89 0.3 0.1 +0.0
Joe Price 33 FA-elig 50 0.2 0.3 -0.2
Donell Nixon 28 – 8 0.2 – –
Jay Tibbs↔ PIT 28 FA-elig 10 0.1 0.2 -0.2
Dave Johnson 30 arb 30 0.1 0.1 -0.1
Anthony Telford 24 pre-arb 8 0.1 0.1 -0.1
Dave Gallagher↔ CHW 29 arb 23 0.1 0.0 +0.0
Steve Finley 25 pre-arb 142 0.1 0.1 -0.1
Dorn Taylor 31 – 4 0.1 – –
Danny Boone 36 – 4 0.0 – –
Bob Milacki 25 pre-arb 27 -0.0 0.2 -0.2
Jose Bautista 25 pre-arb 22 -0.1 0.1 -0.2
Mike Smith 26 pre-arb 2 -0.1 0.1 -0.2
Jay Aldrich 29 – 7 -0.1 – –
Marty Brown 27 pre-arb 9 -0.1 0.1 -0.2
Leo Gomez 24 pre-arb 12 -0.1 0.1 -0.2
Kevin Hickey 34 FA-elig 37 -0.1 0.2 -0.3
Juan Bell 22 pre-arb 5 -0.2 0.1 -0.2
Jeff McKnight 27 – 29 -0.2 – –
Brian Holton 30 arb 33 -0.3 0.3 -0.5
Chris Hoiles 25 pre-arb 23 -0.3 0.1 -0.2
Greg Walker↔ CHW 30 – 14 -0.4 – –
Stan Jefferson↔ CLE 27 arb 10 -0.4 0.0 -0.2
Mickey Weston 29 pre-arb 9 -0.4 0.1 -0.3
Ron Kittle↔ CHW 32 FA-elig 22 -0.5 0.1 -0.4
David Segui 23 pre-arb 40 -0.6 0.1 -0.3
Jeff Ballard 26 arb 44 -0.6 0.2 -0.5

47 players appeared (WAR is complete); salary & surplus are on record for 40 of them (85%). 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.