Rosternomics
← Trade Database
December 14, 1998

STLMIA

STL won this trade +$92.8M surplus STL won this trade +15.4 WAR
STLSTL Walt Jocketty net +$92.8M net +15.4
received +$11.2M+$11.2M ± $31M expected surplus · +$89.6M realized received 3.3 ± 4 expected · 17.4 realized WAR
Playoff odds: this deal moved STL's 1999 odds 8% → 9% (+0.7 pts) — how trade timing is graded ↗
receives — most valuable first
Édgar RenteríaSS·22y·R/R
+$11.0M+$11.0M± $31M exp surplusrealized +$89.6M 3.3± 4 exp WARrealized 17.4
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 1.7/yr over 1.8 season
Talent
1.10/yr blended
Horizon
3.0 control yrs
MIAMIA Dave Dombrowski net −$92.8M net -15.4
received +$77.6M+$77.6M ± $55M expected surplus · −$3.2M realized received 14.6 ± 7 expected · 2.0 realized WAR
Playoff odds: this deal moved MIA's 1999 odds 1% → 1% (-0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Pablo Ozuna2B/3B·24y·R/R
+$57.8M+$57.8M± $37M exp surplusrealized +$0.0M 8.9± 5 exp WARrealized 0.2
Prior
Composite #8.0 prospect (Baseball America #8 (1999)) → 1.62/yr
Evidence
no MLB track record — leans on pedigree
Talent
1.62/yr blended
Horizon
5.5 control yrs
Braden LooperP·24y·R/R
+$18.2M+$18.2M± $35M exp surplusrealized +$4.8M 4.6± 4 exp WARrealized 2.5
Prior
#3 overall draft pick → 0.96/yr
Evidence
recent form -0.3/yr over 0.1 season
Talent
0.84/yr blended
Horizon
5.5 control yrs
Armando AlmanzaP·26y·L/L
+$1.3M+$1.3M± $22M exp surplusrealized −$8.0M 1.1± 3 exp WARrealized -0.7
Prior
#592 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 × 0.94 age decline

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.