Cowboys' Zack Martin on Trevon Diggs' injury, his health status, mentoring young teammates

Cowboys All-Pro guard Zack Martin joined the GBag Nation following the news that cornerback Trevon Diggs suffered a torn ACL in Thursday's practice. Martin reacted to the news and talked about risking injury during practice. Plus, he also talked about his status going into Sunday's game against the Cardinals, mentoring young guys on the line, and more!