Dallas Cowboys right guard Zack Martin announced his retirement this offseason, and the move didn't shock the franchise.

Congrats to Zack Martin on a first-ballot Hall of Fame career, 9 PBowls in 11 years. Regrets to Dak Prescott now that Zack is retiring and leaving a gaping hole in the offensive line. Zack Martin with one of the most ridiculous stats you’ll ever see 🤯 pic.twitter.com/c5t4rwUTPz

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.