The Cowboys had long held out hope that he could return for the season opener against the New York Giants on Sept. 8 .
Ratliff has been sidelined since the start of training camp with hamstring and groin injuries .
The Cowboys had long held out hope that Ratliff could return for the season opener against the New York Giants on Sept. 8 .
Ratliff has been sidelined since the start of training camp with hamstring and groin injuries .