He added a 4.36 40-yard dash at UConn's pro day, impressive for a cornerback who measured in at 6-foot-1 and 199 pounds.
Far from simply a workout warrior, Jones ranked in NFL Media analyst Daniel Jeremiah's top 50 even before the combine. After watching Jones' 2013 and 2014 tape, Jeremiah believes Jones can handle press-coverage responsibilities as a rookie.
The presence of a promising rookie cornerback such as Jones would theoretically provide leverage for the team in contract talks.
Whether Carr stays or goes, the Cowboys did well to add one of the draft's most intriguing prospects.