Rosternomics
← Trade Database
December 10, 1997

COLWSN

COL won this trade +$3.2M surplus COL won this trade +1.6 WAR
COLCOL Bob Gebhard net +$3.2M net +1.6
received +$4.8M+$4.8M ± $28M expected surplus · +$0.8M realized received 2.1 ± 4 expected · 1.7 realized WAR
Playoff odds: this deal moved COL's 1998 odds 6% → 6% (+0.4 pts) — how trade timing is graded ↗
receives — most valuable first
Dave VeresP·31y·R/R
+$2.7M+$2.7M± $11M exp surplusrealized +$0.8M 0.8± 1 exp WARrealized 1.7
Prior
no pedigree — league baseline → 0.21/yr
Evidence
recent form 0.6/yr over 2.3 seasons
Talent
0.48/yr blended
Horizon
2.0 control yrs × 0.84 age decline
Mark HamlinOF·24y·R/R
+$2.3M+$2.3M± $26M exp surplusrealized +$0.0M 1.3± 3 exp WARrealized 0.0
Prior
#716 overall draft pick — at the league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
6.0 control yrs
WSNWSN Jim Beattie net −$3.2M net -1.6
received +$12.0M+$12.0M ± $44M expected surplus · −$2.4M realized received 4.2 ± 6 expected · 0.1 realized WAR
Playoff odds: this deal moved WSN's 1998 odds 2% → 2% (-0.1 pts) — how trade timing is graded ↗
receives — most valuable first
Mark MangumP·19y·R/R
+$12.9M+$12.9M± $39M exp surplusrealized +$0.0M 3.5± 5 exp WARrealized 0.0
Prior
#18 overall draft pick → 0.58/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.58/yr blended
Horizon
6.0 control yrs
Terry JonesOF·27y·B/R
−$0.8M−$0.8M± $19M exp surplusrealized −$2.4M 0.7± 2 exp WARrealized 0.1
Prior
#1136 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form -0.9/yr over 0.1 season
Talent
0.16/yr blended
Horizon
5.5 control yrs × 0.80 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.