alleygorithm
player impact + groups
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alleygorithm
player impact and winning groups

NBA analytics grounded in win probability, player impact, and the groups that have actually driven winning.

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WPA-powered analytics from play-by-play data
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Pair•Current season•Through 2026-03-19
Anfernee Simons
González
BOS logo

Anfernee Simons + González

Over 100 shared possessions, this pair has added about +0.017 wins after shrinkage. That is 100th percentile on 1,814 shared possessions, which currently reads as a high confidence signal. This sample is sturdy enough to treat as a real rotation signal.

Rank #9|100th percentile|high confidence|1,814 poss
League percentile99.8th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 100% of pairs. Rank #9 in this window, with 1,814 shared possessions and high confidence.
Impact / 100
+0.017
Surplus
+0.011
Grade
100%
high confidence · grade A+
Context
This sample is sturdy enough to treat as a real rotation signal.
The member average is +0.013, while the group's expected baseline is +0.007.
Surplus read
It is outperforming the member baseline by +0.011.
Member profiles
Anfernee Simons
BOS logo
BOS
-0.011
20th pctl
5,690 posshighOff -0.003 / Def -0.004
González
BOS logo
BOS
+0.037
98th pctl
4,009 posshighOff +0.026 / Def +0.026