Dallas Cowboys nine-time Pro Bowler and seven-time All-Pro First-Teamer has officially announced his retirement from the ...

With Martin, Travis Frederick and Tyron Smith, the Cowboys had one of the best offensive lines in the NFL. Smith was the stalwart left tackle who made eight Pro Bowls, with Frederick as the center ...

Offensive guard Zack Martin told the team he plans to retire, according to multiple ... he teamed with left tackle Tyron Smith and center Travis Frederick to give the Cowboys one of the league's ...