Why the 49ers traded for Christian McCaffrey: 'Do you want him to go to L.A.?'

And collectively,' York said, 'it was, 'Do you want him to go to L.A.? This is where we are.'

I didn't envision anything,' McCaffrey said. 'I'm telling you, I was just mindless and I was like whenever I get the call, I get the call. And my agent called and said, 'You're going to San Fran.'

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