Rosternomics
← Trade Database
July 23, 2012

ARIANA

ARI won this trade +$3.2M surplus ARI won this trade +0.4 WAR
ARIARI Kevin Towers net +$3.2M net +0.4
received +$2.4M+$2.4M ± $23M expected surplus · +$0.0M realized received 1.3 ± 3 expected · 0.0 realized WAR
Playoff odds: this deal moved ARI's 2012 odds 26% → 26% (+0.4 pts) — how trade timing is graded ↗
receives — most valuable first
Frazier Hall1B·24y·L/R
+$2.3M+$2.3M± $23M exp surplusrealized +$0.0M 1.3± 3 exp WARrealized 0.0
Prior
#495 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
ANAANA Jerry Dipoto net −$3.2M net -0.4
received −$4.8M−$4.8M ± $32M expected surplus · −$3.2M realized received 0.0 ± 4 expected · -0.4 realized WAR
Playoff odds: this deal moved ANA's 2012 odds 64% → 64% (-0.4 pts) — how trade timing is graded ↗
receives — most valuable first
Barry EnrightP·26y·R/R
−$4.5M−$4.5M± $32M exp surplusrealized −$3.2M 0.0± 4 exp WARrealized -0.4
Prior
#73 overall draft pick — at the league baseline → 0.21/yr
Evidence
recent form -1.1/yr over 0.7 season
Talent
-0.24/yr blended
Horizon
5.5 control yrs

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.