Rosternomics
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July 31, 2004 · 4-team trade

CHCMINWSNBOS

MIN won this trade +$9.6M surplus CHC won this trade +7.6 WAR
CHCCHC Jim Hendry net +$8.0M net +7.6
received +$23.2M+$23.2M ± $28M expected surplus · −$14.4M realized received 7.9 ± 4 expected · 6.6 realized WAR
Playoff odds: this deal moved CHC's 2004 odds 72% → 81% (+8.8 pts) — how trade timing is graded ↗
receives — most valuable first
Nomar GarciaparraSS·30y·R/R
+$17.1M+$17.1M± $19M exp surplusrealized −$38.4M 5.9± 2 exp WARrealized 1.4
Prior
league baseline (track record outweighs draft pedigree) → 0.26/yr
Evidence
recent form 5.9/yr over 2.3 seasons
Talent
3.95/yr blended
Horizon
1.5 control yr × 0.99 age decline
Matt MurtonOF·22y·R/R
+$5.8M+$5.8M± $21M exp surplusrealized +$24.0M 2.0± 3 exp WARrealized 5.2
Prior
#32 overall draft pick → 0.35/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.35/yr blended
Horizon
5.5 control yrs
MINMIN Terry Ryan net +$9.6M net +0.6
received +$0.0M+$0.0M ± $6M expected surplus · +$0.0M realized received 0.2 ± 1 expected · 0.0 realized WAR
Playoff odds: this deal moved MIN's 2004 odds 36% → 40% (+3.2 pts) — how trade timing is graded ↗
receives — most valuable first
Justin Jones
+$0.3M+$0.3M± $6M exp surplusrealized +$0.0M 0.2± 1 exp WARrealized 0.0
Unidentified minor-league throw-in — valued at the ~0.2 WAR base rate (most produce nothing)
WSNWSN Omar Minaya net −$12.0M net -1.7
received −$8.0M−$11.2M ± $40M expected surplus · −$22.4M realized received 2.9 ± 5 expected · -1.0 realized WAR
Playoff odds: this deal moved WSN's 2004 odds 0% → 0% (-0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Brendan HarrisSS·23y·R/R
+$1.8M+$1.8M± $21M exp surplusrealized −$5.6M 1.2± 3 exp WARrealized -0.6
Prior
#138 overall draft pick — at the league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
5.5 control yrs
Francis BeltránP·24y·R/R
−$2.9M−$2.9M± $31M exp surplusrealized −$1.6M 0.3± 4 exp WARrealized -0.1
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form -0.8/yr over 0.2 season
Talent
0.05/yr blended
Horizon
5.5 control yrs
Alex GonzalezSS·31y·R/R
−$6.6M−$10.5M± $14M exp surplusrealized −$15.2M 1.4± 2 exp WARrealized -0.3
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 1.4/yr over 2.6 seasons
Talent
1.01/yr blended
Horizon
1.5 control yr × 0.95 age decline
BOSBOS Theo Epstein net −$5.6M net -6.5
received +$19.2M−$2.4M ± $22M expected surplus · −$20.0M realized received 5.5 ± 3 expected · 0.1 realized WAR
Playoff odds: this deal moved BOS's 2004 odds 76% → 71% (-4.2 pts) — how trade timing is graded ↗
receives — most valuable first
Doug Mientkiewicz1B·30y·L/R
+$13.2M+$4.9M± $15M exp surplusrealized −$9.6M 2.7± 2 exp WARrealized -0.6
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 2.7/yr over 2.1 seasons
Talent
1.83/yr blended
Horizon
1.5 control yr × 0.98 age decline
Orlando CabreraSS·29y·R/R
+$6.0M−$7.3M± $15M exp surplusrealized −$10.4M 2.8± 2 exp WARrealized 0.7
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 2.7/yr over 2.5 seasons
Talent
1.89/yr blended
Horizon
1.5 control yr

Each player is valued on what he was expected to produce at the time of the trade, versus what he actually produced for his new team.

Expected WAR blends a player's pedigree (composite top-100 rank / draft slot, or a baseline) with his recent track record, projected over the years of team control acquired. The ± figure is a historically calibrated predictive standard deviation, measuring how widely comparable forecasts have missed around their expected value. Surplus values that production at the FA market price of a win (~$8M/WAR) minus salary — so cost-controlled players carry large surplus and expensive ones little, even at the same WAR. Who won is descriptive, not a skill claim: ~99% of a trade's outcome is unforeseeable at the time.