MOBILE, Ala. - The Dallas Cowboys' relationship with quarterback Dak Prescott was jump-started by their first meeting with him here on the Friday before last year's Senior Bowl.The Cowboys coached one of the Senior Bowl teams a year ago, but Prescott was on the other team. Each year, the players from each team flip-flop the day before the Senior Bowl to give opposing coaches a chance to meet with them after working with the same set of players in practices all week.Cowboys offensive coordinator Scott Linehan and quarterbacks coach Wade Wilson interviewed Prescott for the first time in Mobile, Ala.