Duane Kuiper joins Markus & Kerry Crowley to share his perspective on Carson Whisenhunt's MLB Debut & how Buster Posey is handling this rough stretch before the trade deadline

<p>Duane Kuiper joins Markus &amp; Kerry Crowley to share his perspective on Carson Whisenhunt's MLB Debut &amp; how Buster Posey is handling this rough stretch before the trade deadline</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>

Murph & Markus Podcast

7-29 Duane Kuiper joins Murph & Markus to share his perspective on Carson Whisenhunt's MLB Debut & how Buster Posey is handling this rough stretch before the trade deadline