When you want to know who the leader in any given group is, just see which one is being copied by the others.
While the reactions to the selection of Byron Jones by the Dallas Cowboys in the first round of the NFL Draft have been almost overwhelmingly positive (except for dismayed fans of their rivals and one noticeable outlier in the media), the most important thing is how Jerry Jones and company did compared to the rest of their division. All indications so far are that the early returns show them taking the lead in the NFC East after the first round.