Brock Purdy Interceptions - Player Prop Bet Week 3

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Brock Purdy

NFL · Player Props

Brock Purdy

QB · San Francisco 49ers

Interceptions

San Francisco 49ers vs Arizona Cardinals · Week 3, 2026

Updated Sep 27, 2026 8:32 PM EST

Analysis

Brock Purdy Interceptions Prop is currently Over/Under 0.5 (-108/-122).

Key Factors

Favors Over

Brock Purdy has averaged 0.80 interceptions per game since the start of last season, grading out in the 15th percentile when it comes to quarterbacks.
The Cardinals have intercepted 0.55 passes per game since the start of last season, grading out as the 9th-worst defense in football by this stat

Favors Under

This week's line suggests an extreme rushing game script for the 49ers, who are a heavy favorite by 7.5 points.
Accounting for their underlying play style and matchup dynamics, the leading projections forecast the 49ers to pass on 52.9% of their chances: the 6th-lowest frequency on the slate this week.
Given the game dynamics and the underlying tendencies of each team, this game is predicted by the predictive model to have just 125.0 total plays called: the 4th-lowest number on the slate this week.
The Cardinals linebackers rank as the 4th-best group of LBs in football since the start of last season in defending receivers.

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