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2021 · Week 5 · v0.2 · regular season

San Francisco 49ers at Arizona Cardinals

All historical predictions

Before kickoff

SF
35%
ARI
65%
Predicted winner
ARI
Confidence
56%
Snapshot
In-season walk-forward

Stored from information available before kickoff in a walk-forward historical simulation. Kickoff did not publish this pick publicly at the time. Not betting advice.

Final

1017

Winner ARI. Kickoff was correct.

Why the model leaned this way

Model contributions (standardized feature × coefficient). Not causal explanations.

  • Home field+0.8 ARI
  • Scoring+0.3 ARI
  • QB yards/attempt+0.3 ARI
  • Rushing defense−0.3 SF