Zack Martin throws wrench into Cowboys offseason with possible training camp holdout
Zack Martin and Dallas Cowboys agree to reworked contract after guard misses 1st 3 weeks of camp
NFL Free Agency: What Are the Cowboys Waiting For?
Jerry on Zack Martin: 'There's no resolution'
Cardinals agree to contract extension with quarterback Kyler Murray
Cowboys restructure Dak Prescott, Zack Martin contracts - Sports Illustrated
Dak Prescott's contract situation highlights Cowboys' offseason storylines
Cowboys restructure Dak Prescott, Zack Martin contracts
Zack Martin: Breaking News, Rumors & Highlights
NFL News: Dallas Cowboys Offensive Star Might Skip Training Camp Over Contract
Source - Cowboys guard Zack Martin doesn't report to camp - ESPN