The Dallas Cowboys have waived quarterback Dalton Williams and offensive tackle J.B. Shugarts, creating more roster space four days before their first training camp practice. The move Wednesday on Williams, a rookie free agent from Akron and Coppell High School, leaves Dallas with three quarterbacks in Tony Romo, Kyle Orton and Nick Stephens. Shugarts, from Klein, is a second-year player out of Ohio State. The Cowboys have three open spots on their 90-man camp roster after last week’s release of fullback Lawrence Vickers - See more at: http://www.star-telegram.com/2013/07/17/5008725/cowboys-create-camp-roster-space.html