49ers Christian McCaffrey recalls Brock Purdy being stone cold killer NBC Sports Bay Area & California [Video]

Brock Purdy often is viewed as mild mannered, but his 49ers teammates quickly learned there was a more menacing side to the young quarterback

During an interview with KNBR’s Greg Papa and John Lund on Monday, running back Christian McCaffrey revealed his first impressions of Purdy when the 24-year-old entered the huddle as San Francisco’s starting quarterback for the first time.

“Man, I saw a stone cold killer,” McCaffrey told Papa and Lund. “I think he showed up, and he showed up to play. I think he was confident, he was prepared, and he was Brock. And I haven’t seen anything different. That’s what has been so cool about his growth, he’s one of the best players in the National Football League and he approaches every day like it’s the most important day.

“Every meeting, every practice, everything he does, he’s extremely critical on himself. Everyone always talks about how he’s the last pick in the draft, and I get that, …