The offensive line has been a staple of the Dallas Cowboys in the Dak Prescott era, being one of the best units in the NFL. None have been more consistent than Tyron Smith and Zack Martin, both presumably ending up in the Hall of Fame one day. Smith left Dallas this offseason, not being able to sign an extension, and eventually winding up with the New York Jets. Martin might be the next to go, with the right guard saying the 2024 season might be his final one in football. “I’m not saying 100%, but I think it’s definitely in the realm of possibilities,” Martin said via The Dallas Morning News. …