Six-time NFL All-star considering not returning for training camp as he 'makes $7m less a year than others in position'
Madden's new Mr. 99 Zack Martin plans to miss Cowboys' training camp amid $7,000,000 contract debacle
Cowboys' Zack Martin May Not Report to Training Camp Due to Contract Issues, per Report - Sports Illustrated
Sources - Cowboys' Zack Martin considering not reporting to camp - ESPN
Dallas Cowboys News: Why Zack Martin Is Worth the Money Spent for the Cowboys
Zack Martin Holding Out From Dallas Cowboys Training Camp
Cowboys Six-Time All-Pro Zack Martin Hold Out x Trevon Diggs Contract Woes
NFL Fans React To Zack Martin Not Reporting To Cowboys Camp - The Spun: What's Trending In The Sports World Today
Cowboys' Martin 'didn't ever take it personal', met with Jerry Jones
Jerry Jones Has Harsh Message For Zack Martin Amid Contract Dispute, The Spun
Why the Dallas Cowboys drafted him: Zack Martin - ESPN - NFL Nation- ESPN
Cowboys All-Pro guard Zack Martin reportedly could skip training camp due to contract dispute