Cowboys reach deal with third-rounder Wilcox

The Cowboys have unanswered questions at safety, but at least they have them all under contract at the moment. According to Tim MacMahon of ESPNDallas.com, the Cowboys agreed to a deal with third-rounder J.J. Wilcox Wednesday. That leaves only their top two picks, first-round center Travis Frederick and second-round tight end Gavin Escobar without deals.…