Cowboys RG Zack Martin returns to practice, expected to start vs. Eagles
Cowboys OG Zack Martin added to injury report, National
Cowboys insider's Zack Martin update shows fans shouldn't overreact to contract news
Talkin' Cowboys: Return of the Zack
Will Cowboys keep investing where they've spent the most? - The Athletic
Dak Prescott ankle injury - Answering the biggest questions about the QB, the Cowboys, Andy Dalton and what's next - ESPN
Cowboys: Zack Martin reveals Jerry Jones conversation that led to new deal
Zack Martin injury: Dallas Cowboys offense takes another hit
Zack Martin, three other Cowboys offensive linemen on injury report