Rosternomics
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December 6, 2019

SDPTBR

SDP won this trade +$59.2M surplus SDP won this trade +15.9 WAR
SDPSDP AJ Preller net +$59.2M net +15.9
received +$56.0M+$56.0M ± $33M expected surplus · +$57.6M realized received 6.2 ± 4 expected · 15.8 realized WAR
Playoff odds: this deal moved SDP's 2020 odds 95% → 98% (+3.6 pts) — how trade timing is graded ↗
receives — most valuable first
Tommy PhamOF·32y·R/R
+$55.0M+$55.0M± $26M exp surplusrealized −$3.2M 5.1± 3 exp WARrealized 1.0
Prior
league baseline (track record outweighs draft pedigree) → 0.21/yr
Evidence
recent form 4.0/yr over 2.1 seasons
Talent
2.66/yr blended
Horizon
2.0 control yrs × 0.97 age decline
Jake Cronenworth1B/2B·26y·L/R
+$1.3M+$1.3M± $19M exp surplusrealized +$60.8M 1.1± 2 exp WARrealized 14.8
Prior
#208 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 × 0.96 age decline
TBRTBR Erik Neander net −$59.2M net -15.9
received +$32.0M+$32.0M ± $45M expected surplus · −$1.6M realized received 8.1 ± 6 expected · -0.1 realized WAR
Playoff odds: this deal moved TBR's 2020 odds 85% → 62% (-23 pts) — how trade timing is graded ↗
receives — most valuable first
Hunter RenfroeOF·28y·R/R
+$26.2M+$26.2M± $35M exp surplusrealized −$1.6M 4.9± 4 exp WARrealized -0.1
Prior
league baseline (track record outweighs draft pedigree) → 0.30/yr
Evidence
recent form 1.9/yr over 1.8 season
Talent
1.25/yr blended
Horizon
4.0 control yrs × 0.98 age decline
Xavier Edwards2B/SS·20y·S/R
+$6.4M+$6.4M± $20M exp surplusrealized +$0.0M 2.5± 2 exp WARrealized 0.0
Prior
Composite #78.5 prospect (Baseball America #85 (2020) / MLB Pipeline #72 (2020)) → 0.45/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.45/yr blended
Horizon
5.5 control yrs
Esteban Quiroz2B·28y·L/R
−$0.8M−$0.8M± $18M exp surplusrealized +$0.0M 0.7± 2 exp WARrealized 0.0
Prior
no pedigree — league baseline → 0.21/yr
Evidence
no MLB track record — leans on pedigree
Talent
0.21/yr blended
Horizon
5.5 control yrs × 0.64 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.