There will come a day when we’ll all be sitting back enjoying a glass of lemonade and talking about how a broken ankle changed the course of history for the Dallas Cowboys. On a warm August day back in 2016, an injury to backup quarterback Kellen Moore opened the door of opportunity for the Cowboys fourth-round draft pick, Dak Prescott. And the rookie never let go of the reigns. Prescott tore it up in the preseason. He was playing so well that when Tony Romo suffered a back injury in a preseason game against the Seattle Seahawks, Cowboys fans didn’t lose hope.