The Cowboys have signed three players off the workout roster from their rookie minicamp and released three other players.
The Cowboys added offensive linemen Edawn Coughman and D.J. Hall and receiver Anthony Amos on Monday after a three-day minicamp over the weekend.
Dallas released offensive linemen Charlie Bryant and Aderious Simmons and receiver Greg Herd.
Coughman, a tackle from Shaw, and Hall, a guard from Texas State, are second-year players. Amos is a rookie free agent from Middle Tennessee State.