NFL legend Randy Cross explains why Trent Williams is vital to the San Francisco 49ers, both on and off the field. Hear why his leadership and injury status could shape the team’s playoff success.

<p>NFL legend Randy Cross explains why Trent Williams is vital to the San Francisco 49ers, both on and off the field. Hear why his leadership and injury status could shape the team&rsquo;s playoff success.</p>

Every weekday morning, KNBR listeners join Brian Murphy and Markus Boucher from 6am-10am only on KNBR!

<p>Every weekday morning, KNBR listeners join Brian Murphy and Markus Boucher from 6am-10am only on KNBR!</p>

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