Future Hall of Famer Zack Martin's retirement leaves a major hole on the Cowboys offensive line, but how does it impact the salary cap situation? The Cowboys will be looking to free up cap space this offseason and The Cowboys Wire takes a look at Martin's impact.

A brief explanation of why the Cowboys won’t see immediate relief from Martin’s retirement and why they set things up this way.

Two people with knowledge of the decision say Zack Martin is retiring after a decorated career that included seven All-Pro seasons at right guard with the Dallas Cowboys.