49ers quarterbacks coach, Brock Purdy's mentor, quits coaching after 3 seasons: report

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For the first time in his NFL career, Brock Purdy will have a different quarterbacks coach.

The San Francisco 49ers announced their coaching staff for the 2025 season on Tuesday, and Brian Griese was not on the staff as quarterbacks coach.

The reason for Griese’s absence from the coaching staff is because he decided to end his coaching career after three seasons, per the San Francisco Chronicle. 

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San Francisco 49ers quarterbacks coach Brian Griese watches the action from the sideline in the third quarter against the New York Jets at Levi's Stadium. (David Gonzales-Imagn Images)

Griese, 49, was instrumental in the 49ers drafting Purdy, as he gave the former Iowa State quarterback his top grade of all quarterbacks in the 2022 draft, despite being the last pick of the draft.

Griese and then assistant quarterbacks coach Klay Kubiak spoke with Purdy via Zoom in a pre-draft interview.

"I know that we valued the fact that Brock was selfless," Griese said via the San Francisco Chronicle. "He was humble. Relationships mattered to him. You can tell pretty quickly if a quarterback is about lifting up other people around him. Or if it’s about him."

In addition to his selflessness and leadership, Griese also thought highly of Purdy’s accuracy. 

Griese nearly stepped away after his first season coaching, but after weighing family considerations, he decided to return. 

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San Francisco 49ers quarterback Brock Purdy, #13, talks with quarterbacks coach Brian Griese and San Francisco 49ers