Matchup history · 2025-26

De'Aaron Fox vs Cason Wallace

Across 10 meetings and 168 matchup possessions, Fox scored 13% below his own rate across the tracked data against Wallace. He shot 54.8% from the field in the matchup against 47.5% overall. Treat it as a pattern worth checking on film rather than proof the defender caused it.

The numbers

Each figure sits next to Fox's own rate against every defender he faced, which is the only fair comparison for this unit.

Points per matchup possession

0.25vs 0.29 season

13% below his season rate.

Field goal percentage

54.8%vs 47.5% season

+7.3 points of field goal percentage, on 31 shots in the matchup.

10
Meetings
167.7
Matchup poss.
42
Points
17/31
FG
3
Turnovers

Possessions here are partial matchup possessions, only the stretches these two were actually matched up, so points per possession runs far below the roughly 1.1 a full team scores. Every figure is meant to be read against the same player's own season rate in the same unit.

Recorded games: 2025-12-13 to 2026-05-30

This ledger covers 10 tracked meetings, starting with SAS at OKC on 2025-12-13 and ending with SAS at OKC on 2026-05-30. It includes only per-game assignments with at least two partial matchup possessions; meetings or brief assignments absent from the feed are not treated as zero.

De'Aaron Fox scoring while matched with Cason Wallace — 2025–26
Date / NBA gameFinal score (away–home)CompetitionPartial poss.PointsFGTO
2025-12-130022501230SAS 111 – OKC 109Regular Season19.762/41
2025-12-230022500417OKC 110 – SAS 130Regular Season16.421/10
2025-12-250022500010SAS 117 – OKC 102Regular Season10.742/40
2026-01-130022500568SAS 98 – OKC 119Regular Season21.152/40
2026-02-040022500730OKC 106 – SAS 116Regular Season33.941/21
2026-05-220042500313OKC 123 – SAS 108Playoffs15.873/51
2026-05-240042500314OKC 82 – SAS 103Playoffs11.321/30
2026-05-260042500315SAS 114 – OKC 127Playoffs10.663/30
2026-05-280042500316OKC 91 – SAS 118Playoffs10.410/00
2026-05-300042500317SAS 111 – OKC 103Playoffs17.852/50
Total10 recorded meetings167.74217/313

Competition context

Regular Season: 5 meetings, 101.8 partial possessions, 21 points and 15 shots; 0.21 points per partial possession.

Playoffs: 5 meetings, 65.9 partial possessions, 21 points and 16 shots; 0.32 points per partial possession.

The pooled figure combines different competition settings. Compare the phase rates before using the overall number: repeated playoff assignments can dominate a season-long pairing.

Does one game drive the result?

The largest assignment was OKC at SAS on 2026-02-04: 33.9 partial possessions, 4 points and 1/2 shooting. It supplies 20.2% of this pairing’s recorded exposure and 6.5% of its shots.

Removing that game leaves 9 meetings and 133.8 partial possessions. The scoring rate changes from 0.25 to 0.28, against the same complete season baseline of 0.29.

The descriptive comparison changes from below baseline to within 10% of baseline. Start the film review with that largest game; the overall headline depends on which meetings you include. The 10% band is an editorial description, not a confidence interval or a prediction.

Baseline and film-review plan

De'Aaron Fox’s full 2025–26 tracked baseline contains 5,906 partial matchup possessions, 1697 points and 684/1440 field goals against all recorded defenders. It includes this pairing. The baseline uses the same two-possession per-game floor and combines the same competition types; it is not a team offensive rating.

The pairing accounts for 2.8% of that tracked exposure. Its shooting rate is 54.8% versus 47.5% in the baseline. Shooting and scoring move in different directions here. Review shot mix, free throws and the tracking denominator before treating either figure as a single explanation.

  1. Review the largest assignment above. Tag the first action, initial defender, help, shot location and result separately.
  2. Compare with the smallest recorded assignment: OKC at SAS on 2026-05-28, 10.4 partial possessions and 1 points. Check whether the same action appears before calling it a repeatable tendency.
  3. Write one coverage question to verify in another game. The tracking table cannot identify a scheme, isolate switches, or show unrecorded meetings.

Sources and publication checks

NBA player-matchup tracking, distributed in the SportsDataverse matchup release; dates, teams and final scores from its NBA calendar release. Individual game links identify the source event; they do not promise free video. HoopBrief calculates the totals, exposure shares and one-game removal above.

This report passes the publication gate: 6 recorded games, 150 partial possessions, 25 shots, complete dated game context, a usable complete scorer baseline, and exact reconciliation of game totals with the summary. Passing the gate makes a report auditable, not causal. These historical figures are not 2026–27 statistics. Open Matchup Lab and choose a season for current coverage.

How to read this

These are the possessions the two were matched up, not a clean isolation of one defender against one scorer. Help, coverage calls, foul trouble, rest, and shot luck all live inside the same numbers, and 10 meetings is a small sample for any of them.

So a gap here is a reason to pull the film on these possessions, not evidence that the defender caused it. The useful question is what the offense tried in this matchup and what it stopped trying.

Both scouting reports

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Aggregated from NBA player-matchup tracking for 2025-26, across all competition types. Possessions are partial matchup possessions and retain up to one decimal place here. Figures describe what happened while these two were matched up and do not isolate one player's effect on the other.

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