49ers Notebook: York's behind-the-scenes accounts of McCaffrey trade, meeting Purdy's parents; Bosa says Chiefs OTs "hold a lot"; Purdy lands endorsement deal

"My first interaction, not with Brock directly, but we always do a great job of trying to bring people's family in before the season starts," York said.

"My first interaction, not with Brock directly, but we always do a great job of trying to bring people's family in before the season starts," York said.

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