excerpt:
Walker ran routes Thursday but won't face defensive backs until training camp.
"He looks like he's in pretty good shape," Shanahan said. "He's making some strides. He did most of the drill work. We didn't do any team work with him. I think he could have. But we have a plan over the next three weeks to keep working him like he's working now and hopefully, by the first day of camp, he's ready to go full speed."
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