Report: Cowboys' Zack Martin threatens to skip training camp
Cowboys offensive line could learn from this incredible Zack
Cowboys' guard Zack Martin discusses Jets' stout defensive front
Dallas Cowboys guard Zack Martin (70) takes the field during an
Cowboys G Zack Martin reaches deal, ends holdout
Dallas Cowboys guard Zack Martin (70) is assisted off the field by
Cowboys RG Zack Martin (ankle) says he'll be 'all right' following
Zack Martin and Dallas Cowboys agree to reworked contract after
Zack Martin ends holdout: Why Cowboys' Pro Bowler had upper
Cowboys, Zack Martin reportedly agree to reworked deal for $18M+
It's a challenge for everybody': One of the Cowboys' biggest
Cowboys offensive lineman Zack Martin suffers calf injury; exits