Cowboys OG Zack Martin's concussion -- when can we expect him back? ' Dr. Matt Provencher
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Dallas Cowboys guard Zack Martin, the highest-paid guard in the NFL, went down with a concussion on Monday night against the Arizona Cardinals. Former New England Patriots head physician Dr. Matt Provencher explains when you can expect to see Martin back on the field.
OCTOBER 20, 2020・National Football League・2:09
