alleygorithm
player impact + groups
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alleygorithm
player impact and winning groups

Player, pair, and lineup impact measured from every NBA possession.

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WPA-powered analytics from play-by-play data
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Pair•Current season•Through 2026-04-20
De'Aaron Fox
Julian Champagnie
SAS logo

De'Aaron Fox + Julian Champagnie

Over 100 shared possessions, this pair has added about +0.015 wins after shrinkage. That is 99th percentile on 6,036 shared possessions, which currently reads as a high confidence signal. This sample is sturdy enough to treat as a real rotation signal.

Rank #51|+0.9 est. wins|99th percentile|high confidence|6,036 poss
League percentile99.0th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 99% of pairs. Rank #51 in this window, with 6,036 shared possessions and high confidence.
Est. wins added
+0.9
9999th percentile
Impact / 100
+0.015
9999th percentile
Off / Def
O+0.016D+0.015
Shape of value across both sides
Possessions
6,036
high confidence
Grade
99%
grade A+
What stands out
This sample is sturdy enough to treat as a real rotation signal.
The group has added +0.9 estimated wins in this window, which is easier to read than the per-100 rate on its own.
Off/Def shows whether that value is being created through scoring lift, defensive resistance, or a more balanced two-way profile.
Baseline check
The member average is +0.035, while the group's expected baseline is +0.018.
Advanced breakdown
Observed possessions6,036
Member average+0.035
Expected baseline+0.018
Actual group score+0.015
Surplus-0.003
Member profiles
De'Aaron Fox
SAS logo
SAS
+0.015
84th pctl
9,726 posshighOff +0.008 / Def +0.019
Julian Champagnie
SAS logo
SAS
+0.056
100th pctl
9,861 posshighOff +0.044 / Def +0.037