RRosternomics
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JM

Jack McKeon

Born Nov 23, 1930 · South Amboy, NJ · age 95

General manager for the Padres (1981–1990).

6 seasons with salary-era data across 1 stint. All figures are franchise-level outcomes during the tenure, not solely attributable to one executive.

Overview

Titles0
Pennants0
Playoffs0
Record469–502
Win %0.483
-2.4GM WAR — wins above a replacement GM (org-adjusted, shrunk; per season) ±5.4140th/195 execs
7.0Depth — 2+ WAR regulars per season (the breadth that drives TAB, not stars)54th/195 execs
-4.6Dead WAR — WAR/yr bled by sub-replacement players (closer to 0 = better)60th/195 execs
32%Dead money — payroll on <0.5-WAR players (lower = better)82nd/195 execs
$2MCheap-talent surplus — $/yr of value from cost-controlled (pre-arb/arb) players above their pay; the selection engine, and the stickiest GM skill we track158th/195 execs
$1MDrafted surplus — cheap-talent surplus from his own draftees (the develop-from-the-draft engine)163rd/195 execs
$0MTraded-for surplus — cheap-talent surplus from cost-controlled players he acquired via trade143rd/195 execs
$1MInt'l surplus — cheap-talent surplus from his own international signees92nd/195 execs
-20.5TAB — talent above budget — roster-construction alpha (talent your budget bought above expectation), tenure total144th/195 execs
-21.0WAB — realized wins (TAB + the non-repeatable luck of converting talent to wins)148th/195 execs
0.89Acquisition Leverage — playoff pts per acquired WAR, graded once in the year each deal's wins arrive (the repeatable decision skill)130th/195 execs
-13Roster surplus $M65th/195 execs

Tenure breakdown

TeamRoleYearsSzns WAB WAB/yr TAB WAR surp HG Trade FA R5 AcqLev W-L% POPenWS Surp $M
▸ Padres GM 1981–1990 6 -21.0 -3.50 -20.5 -39.1 +139.0 -115.9 -4.7 +11.0 0.89 0.483 ––– -13
Career total (1985+ data) 6 -21.0 -20.5 -39.1 +139.0 -115.9 -4.7 +11.0 0.89 0.483 –– – -13

Roster Construction

How the roster was sourced

by valueby volume

Share of acquired fWAR by channel vs. league average.

Build channels — net fWAR

Acquired minus surrendered / signed minus walked.

Home-grown (draft/intl)+139.0
Trade-115.9
Free agency-4.7
Rule 5 / minor draft+11.0
Sourcing mix: 61% draft · 8% FA · 26% trade · 5% R5

Roster value distribution — career average — depth vs. stars

Every roster slot ranked best→worst by WAR, averaged across Jack McKeon's seasons. Bars = his rosters; the black line = the league-average player at each slot. Staying above the line deep into the roster is the depth edge.

Players acquired — 98 players, by realized fWAR for the franchise (scroll for more)

PlayerPosTeam How Year Szns fWAR WAR/yr Lev
Tony Gwynn OF SDP Draft 1981 17 +56.3 +3.3 –
Andy Benes P SDP Draft 1988 7 +19.8 +2.8 –
Bruce Hurst P SDP Free agency 1988 5 +15.6 +3.1 2.5
Benito Santiago C SDP Intl FA 1982 6 +15.4 +2.6 –
Ed Whitson P SDP Trade 1986 6 +12.8 +2.1 0.1
Bip Roberts 2B/OF SDP Rule 5 1985 5 +11.1 +2.2 –
Roberto Alomar 2B SDP Intl FA 1985 3 +10.8 +3.6 –
Fred McGriff 1B SDP Trade 1990 3 +9.1 +3.0 8.9
Darrin Jackson OF SDP Trade 1989 3 +8.8 +2.9 0.4
Jack Clark 1B/OF SDP Trade 1988 2 +8.5 +4.3 2.1
Scott Sanders P SDP Draft 1990 5 +7.9 +1.6 –
Randy Ready 2B/3B/OF SDP Trade 1987 3 +7.2 +2.4 1.3
Greg Harris P SDP Draft 1985 6 +7.0 +1.2 –
John Kruk 1B/OF SDP Draft 1981 3 +7.0 +2.3 –
Carmelo Martínez 1B/OF SDP Trade 1983 4 +7.0 +1.7 –
Kevin McReynolds OF SDP Draft 1981 2 +6.0 +3.0 –
Garry Templeton SS SDP Trade 1981 5 +5.8 +1.2 –
Mark Davis P SDP Trade 1987 3 +5.0 +1.7 0.1
Dave Dravecky P SDP Trade 1981 3 +4.3 +1.4 –
Jimmy Jones P SDP Draft 1982 3 +3.9 +1.3 –
Graig Nettles 3B SDP Trade 1984 2 +3.1 +1.6 –
Tim Worrell P SDP Draft 1989 3 +2.7 +0.9 –
Craig Lefferts P SDP Trade 1983 5 +2.5 +0.5 –
Larry Andersen P SDP Free agency 1990 2 +2.4 +1.2 4.3
Lance McCullers P SDP Trade 1983 3 +2.4 +0.8 –
Jerald Clark OF SDP Draft 1985 4 +2.0 +0.5 –
Dennis Rasmussen P SDP Trade 1983 4 +2.0 +0.5 8.2
Doug Brocail P SDP Draft 1986 5 +1.8 +0.4 –
LaMarr Hoyt P SDP Trade 1984 1 +1.8 +1.8 –
Thomas Howard OF SDP Draft 1986 2 +1.6 +0.8 –
Dickie Thon SS SDP Free agency 1988 1 +1.4 +1.4 4.1
Tom Lampkin C SDP Trade 1990 3 +1.2 +0.4 0.0
Walt Terrell P SDP Trade 1989 1 +1.2 +1.2 0.7
Gene Walter P SDP Draft 1982 2 +1.1 +0.6 –
Bruce Bochy C SDP Trade 1985 2 +1.0 +0.5 –
Shane Mack OF SDP Draft 1984 2 +1.0 +0.5 –
Kevin Mitchell OF SDP Trade 1987 1 +1.0 +1.0 0.3
Ricky Bones P SDP Intl FA 1986 1 +0.9 +0.9 –
Marvell Wynne OF SDP Trade 1986 3 +0.9 +0.3 0.1
Eddie Williams 1B/3B SDP Free agency 1989 3 +0.8 +0.3 0.0
Rich Rodriguez P SDP Trade 1989 3 +0.6 +0.2 –
Mike Pagliarulo 3B SDP Trade 1990 1 +0.6 +0.6 1.1
Dan Walters C SDP Trade 1988 1 +0.5 +0.5 –
Eric Nolte P SDP Draft 1985 1 +0.4 +0.4 –
Gary Green SS SDP Draft 1984 2 +0.3 +0.2 –
Dave Leiper P SDP Trade 1987 2 +0.3 +0.1 0.0
A. J. Sager P SDP Draft 1988 1 +0.3 +0.3 –
Ed Wojna P SDP Trade 1983 2 +0.3 +0.1 –
Randy Asadoor 3B SDP Trade 1985 1 +0.2 +0.2 –
Chris Brown 3B SDP Trade 1987 2 +0.2 +0.1 0.0
Roy Lee Jackson P SDP Trade 1985 1 +0.2 +0.2 –
Pedro Martínez P SDP Intl FA 1986 2 +0.2 +0.1 –
Calvin Schiraldi P SDP Trade 1989 2 +0.2 +0.1 0.3
Dave Staton 1B SDP Draft 1989 1 +0.2 +0.2 –
Keith Comstock P SDP Trade 1987 2 +0.2 +0.1 0.0
Paul Faries 2B SDP Draft 1987 2 +0.1 +0.1 –
Bryce Florie P SDP Draft 1988 2 +0.1 +0.1 –
Steve Garvey 1B SDP Trade 1985 1 +0.1 +0.1 –
Jeremy Hernandez P SDP Trade 1989 2 +0.1 +0.1 –
Tim Pyznarski 1B SDP Trade 1985 1 +0.1 +0.1 –
Bob Stoddard P SDP Trade 1986 1 +0.1 +0.1 0.0
Sandy Alomar C SDP Intl FA 1983 1 -0.0 -0.0 –
Randy Byers OF SDP Draft 1984 1 +0.0 +0.0 –
John Davis P SDP Free agency 1990 – -0.0 – –
Tom Gorman P SDP Free agency 1987 1 +0.0 +0.0 0.0
Atlee Hammaker P SDP Free agency 1990 2 +0.0 +0.0 0.6
Rob Nelson 1B SDP Trade 1987 1 +0.0 +0.0 0.1
Edwin Rodríguez 2B SDP Trade 1983 – -0.0 – –
Ed Vosberg P SDP Draft 1983 1 +0.0 +0.0 –
Al Bumbry OF SDP Trade 1985 – -0.1 – –
Storm Davis P SDP Trade 1986 1 -0.1 -0.1 0.1
Luis DeLeón P SDP Trade 1982 – -0.1 – –
Derek Lilliquist P SDP Trade 1990 1 -0.1 -0.1 0.4
Dan Murphy P SDP Trade 1989 – -0.1 – –
Don Schulze P SDP Trade 1989 – -0.1 – –
Greg Booker P SDP Draft 1981 2 -0.2 -0.1 –
Ray Hayward P SDP Draft 1983 1 -0.2 -0.2 –
Bob Patterson P SDP Draft 1982 – -0.2 – –
Pat Clements P SDP Trade 1988 2 -0.3 -0.2 0.1
Ray Holbert SS SDP Draft 1988 – -0.3 – –
Jim Lewis P SDP Draft 1985 – -0.3 – –
Ray McDavid OF SDP Draft 1989 1 -0.3 -0.3 –
Ronn Reynolds C SDP Free agency 1990 – -0.3 – –
Mark Grant P SDP Trade 1989 1 -0.3 -0.3 0.1
José Mota 2B SDP Trade 1989 – -0.4 – –
Mark Wasinger 2B/3B SDP Draft 1982 – -0.4 – –
Dane Iorg OF SDP Free agency 1986 – -0.5 – –
Fred Lynn OF SDP Free agency 1989 – -0.5 – –
Rafael Valdez P SDP Intl FA 1985 – -0.5 – –
Stan Jefferson OF SDP Trade 1986 1 -0.6 -0.6 0.0
Kevin Higgins C SDP Draft 1989 – -0.7 – –
Darrell Sherman OF SDP Draft 1989 – -0.7 – –
Bobby Brown OF SDP Trade 1985 – -0.8 – –
Luis Salazar 3B SDP Free agency 1987 1 -0.8 -0.8 0.6
Joey Cora 2B SDP Draft 1985 1 -0.9 -0.9 –
Oscar Azócar OF SDP Trade 1990 – -1.1 – –
Shawn Abner OF SDP Trade 1986 2 -2.2 -1.1 –
Luis López 2B/SS SDP Intl FA 1987 – -3.4 – –

WAB = wins above what the team's payroll predicted (resource-controlled). WAR surplus = era-neutral value (WAR minus payroll in win-equivalents). Roster surplus $M = dollar value of WAR over cost. Build channels (realized fWAR): HG = home-grown via amateur draft / international signing; Trade = acquired minus surrendered (incl. purchases/waivers); FA = signed minus walked; R5 = Rule-5 / minor-league-draft pickups. Credit follows the acquisition year — home-grown to the regime at the player's draft/signing (not whoever was in the chair when he peaked), trade/FA/R5 to the GM who made the move. Players acquired as prospects before debuting (e.g. Smoltz, Bagwell; Rule-5 picks like Uggla) are counted as trade/R5, not home-grown. All are franchise-level outcomes during the stint, not solely attributable to one executive.

Graphs

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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.