Cowboys add journeyman CB Walker

The Dallas Cowboys have signed journeyman Frank Walker to

bolster a depleted corps of cornerbacks.

Orlando Scandrick is expected to miss at least the upcoming game

at San Francisco because of an ankle injury, and Terence Newman has

been sidelined since early in training camp because of a groin

injury. Mike Jenkins was in and out of the opener because of a

variety of injuries, leaving Dallas down to its fourth- and

fifth-stringers, plus a backup safety.

Walker has played in 93 games over an eight-year career with the

Giants, Packers, Ravens and Vikings. He went to training camp with

the Titans.

To make room for Walker, Dallas released tight end Martin

Rucker. The Cowboys also released receiver Laurent Robinson,

re-signed fullback Tony Fiammetta, and dropped LB-FB Isaiah

Greenhouse from the practice squad.