NFLThis is the NFL.com list of the top five defensive prospects for the upcoming 2013 draft.Below are the positions that I think the Dallas Cowboys should focus on the defensive side of the ball.Defensive endsDamontre Moore1. Damontre Moore, Texas A&M2. Bjoern Werner, Florida State3. Barkevious Mingo, LSU 4. Dion Jordan, Oregon 5. Ezekiel Ansah, BYUIn the mix: Sam Montgomery, LSU; Datone Jones, UCLA; Corey Lemonier, Auburn; Alex Okafor, Texas; Margus Hunt, SMU.Defensive tacklesSheldon Richardson1. Sheldon Richardson, Missouri 2. Star Lotulelei, Utah 3. Sharrif Floyd, Florida 4. Johnathan Hankins, Ohio State 5. Sylvester Williams, North CarolinaIn the mix: Jesse Williams, Alabama; Kawann Short, Purdue; John Jenkins, Georgia; Brandon Williams, Missouri Southern.SafetiesKenny Vaccaro1. Kenny Vaccaro, Texas2. Matt Elam (SS), Florida3. Eric Reid, LSU4. Phillip Thomas, Fresno State5. John Cyprien (SS), Florida InternationalIn the mix: Tony Jefferson, Oklahoma; T.J. McDonald, USC; Bacarri Rambo, Georgia; Duke Williams (SS), Nevada