It was a record-setting day for the 49ers QB
Next Gen Stats has a passing metric called Completion percentage over expected. It’s a derivative of completion probability, which measures the success of a pass relative to the difficulty of the throw. It’s worth noting that this CPOE adjusts for dropped passes.
Against the Cardinals on Sunday, 49ers quarterback Brock Purdy had a CPOE of +28%, which was the highest mark by a quarterback with at least 20 passing attempts over the last seven plus seasons. To add perspective about how well Purdy played, his previous career-high in CPOE was +5.1%.
A look at Purdy’s passing chart shows he had five completions of at least 10+ yards. When you look at a few other numbers that Next Gen Stats provides, Purdy is second among all quarterbacks in Week 4 in average completed air yards. We are seeing a 49ers quarterback continuously push the ball down the field.
Kudos to Kyle Shanahan dialing up deep passing plays to his best wide receiver, Brandon Aiyuk. Kudos to Kyle Shanahan for dialing up a few deep passes to his best wide receiver, Brandon Aiyuk. But on the team’s longest completed pass in the air, Purdy uncorked a throw 46.8 yards and landed only where Aiyuk could make the reception.
Purdy’s aggressiveness in those situations is paying dividends to the 49ers offense. It’s a significant reason why the offense scored 30+ points in a row once again. To put into perspective how well Purdy executed on Sunday, the only quarterbacks with a higher passer rating in Week 4 are Josh Allen and Lamar Jackson.
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