Rosternomics
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Tigers DET

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President of baseball ops: Scott Harris (since 2023) · GM: Jeff Greenberg (since 2024)

2025 roster — every player, value & surplus

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+6.0
WAB — wins above budget
+3.8
TAB — roster Talent above budget
87–75 (0.537)
record · made playoffs
+4M
surplus $M (value/$)
37.1
roster fWAR
$138.3M
payroll
PlayerAgeServiceGfWARSalary $MSurplus $M
Tarik Skubal 28 arb 31 6.6 10.2 +15.3
Dillon Dingler 26 pre-arb 126 4.1 0.8 +14.9
Zach McKinstry 30 arb 144 3.2 1.6 +10.5
Riley Greene 24 pre-arb 157 2.9 0.8 +10.4
Gleyber Torres 28 FA-elig 145 2.6 15.0 -5.1
Jack Flaherty 29 FA-elig 31 2.5 25.0 -15.3
Casey Mize 28 arb 28 2.4 2.3 +6.8
Spencer Torkelson 25 pre-arb 155 2.3 0.8 +8.2
Will Vest 30 arb 64 1.8 1.4 +5.4
Wenceel Pérez 25 pre-arb 100 1.7 0.8 +5.8
Colt Keith 23 pre-arb 137 1.6 3.8 +2.5
Kerry Carpenter 27 pre-arb 130 1.5 0.8 +5.0
Javier Báez 32 FA-elig 126 1.4 25.1 -19.6
Reese Olson 25 pre-arb 13 1.4 0.8 +4.5
Jahmai Jones 27 pre-arb 72 1.1 0.5 +3.6
Kyle Finnegan↔ WSN 33 arb 16 0.7 0.4 +2.1
Brenan Hanifee 27 pre-arb 54 0.6 0.7 +1.7
Brant Hurter 26 pre-arb 43 0.6 0.6 +1.7
Andy Ibáñez 32 pre-arb 91 0.4 1.0 +0.5
Jake Rogers 30 arb 49 0.3 2.6 -1.4
Parker Meadows 25 pre-arb 58 0.2 0.8 +0.0
Brewer Hicklen 29 – 1 0.2 0.1 +0.6
Carlos Hernández↔ CLE 28 – 11 0.2 0.2 +0.5
Dietrich Enns↔ BAL 34 – 7 0.2 0.1 +0.5
Troy Melton 24 – 16 0.1 0.2 +0.3
Tomás Nido 31 arb 11 0.1 0.2 +0.3
Sean Guenther 29 pre-arb 9 0.1 0.5 -0.0
Keider Montero 24 pre-arb 20 0.1 0.4 +0.1
Jackson Jobe 22 pre-arb 10 0.1 0.8 -0.5
Matt Gage↔ SFG 32 – 6 0.1 0.1 +0.2
Charlie Morton↔ ATL 41 – 9 0.0 3.5 -3.4
Akil Baddoo 26 pre-arb 7 0.0 0.1 -0.0
Rafael Montero↔ ATL 34 FA-elig 20 0.0 2.9 -2.9
Justyn-Henry Malloy 25 pre-arb 52 0.0 0.4 -0.4
Alex Lange 29 pre-arb 1 0.0 0.6 -0.6
Luke Jackson↔ SEA 33 – 3 -0.0 0.1 -0.1
Dylan Smith 25 – 7 -0.0 0.1 -0.1
José Urquidy 30 arb 2 -0.0 1.0 -1.0
Tanner Rainey↔ PIT 32 arb 2 -0.0 0.0 -0.1
Matt Vierling 28 arb 31 -0.0 3.0 -3.1
Bailey Horn 27 pre-arb 10 -0.0 0.2 -0.3
Tyler Owens 24 – 3 -0.0 0.1 -0.2
John Brebbia↔ ATL 35 – 19 -0.1 2.3 -2.6
Geoff Hartlieb↔ NYY 31 pre-arb 2 -0.1 0.0 -0.3
Paul Sewald↔ CLE 35 FA-elig 4 -0.1 0.7 -1.1
Chase Lee 26 – 32 -0.1 0.4 -0.7
Kenta Maeda 37 – 7 -0.1 10.0 -10.4
Drew Sommers 24 – 4 -0.1 0.1 -0.6
Codi Heuer↔ TEX 28 – 2 -0.1 0.1 -0.6
Manuel Margot 30 FA-elig 6 -0.1 1.3 -1.9
Tyler Holton 29 pre-arb 70 -0.2 0.8 -1.4
Tommy Kahnle 35 FA-elig 66 -0.2 7.8 -8.7
Sawyer Gipson-Long 27 pre-arb 8 -0.3 0.7 -1.8
Jace Jung 24 pre-arb 21 -0.3 0.1 -1.3
Ryan Kreidler 27 – 17 -0.4 0.2 -1.8
Beau Brieske 27 pre-arb 22 -0.5 0.5 -2.3
Chris Paddack↔ MIN 29 FA-elig 12 -0.5 2.1 -3.9
Trey Sweeney 25 pre-arb 118 -0.9 0.7 -4.1

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 DET
Max Scherzer200922.2
Carlos Guillén200418.3
Ian Kinsler201316.3
Jeremy Bonderman200215.8
Damion Easley199615.4
Austin Jackson200914.8
Mickey Tettleton199114.4
Chet Lemon198114.2
Ones that got away
PlayerYear tradedWAR elsewhere
John Smoltz198781.6
Luis Gonzalez199833.8
Chris Hoiles198824.8
Howard Johnson198422.8
Justin Verlander201719.7
Rick Porcello201413.1
Robbie Ray201411.8
Matt Joyce200810.7
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.