Adam Schefter (@adamschefter) on Threads
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Brock Purdy's 89.6 Total QBR is the highest by any quarterback through four games since 2020, when NFL MVP Aaron Rodgers had a 90.6 Total QBR. Purdy is the first QB with at least 10 touchdown passes and zero sacks taken in the first four games of a season since Dan Marino in 1984, the year he won NFL MVP.

Full title: Brock Purdy’s 89.6 Total QBR is the highest by any quarterback through four games since 2020, when NFL MVP Aaron Rodgers had a 90.6 Total QBR. Purdy is the first QB with at least 10 touchdown passes and zero sacks taken in the first four games of a season since Dan Marino in 1984.