Christian McCaffrey's calf/Achilles injury raises concerns for the San Francisco 49ers as they prepare for Week 1. NFL executives rank the 49ers #1 in the NFC, but the hosts question if they can sustain this with the Packers surprisingly close behind.

The episode breaks down the keys to victory against the Jets, emphasizing the need to avoid overusing injured players like McCaffrey, Brandon Aiyuk, and Trent Williams. The performance of new defensive line additions Javon Hargrave and Leonard Floyd is also scrutinized, along with the challenges facing the 49ers' offensive line.

San Francisco 49ers fans are treated to daily news and analysis with Locked On 49ers, hosted by football analyst Brian Peacock and former NFL/AFL cornerback Eric Crocker.

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Follow Brian Peacock and Eric Crocker on Twitter, where they’ll be sharing the latest news about the Niners and talking with fans.

Twitter: twitter.com/BDPeacock, twitter.com/eric_crocker

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