The Facts: An attorney representing Bryant has sent David Wells, the wide receiver's longtime adviser, a cease-and-desist letter to end their formal business relationship, Wells told ESPNDallas.com. The dispute between Bryant and Wells is among the reasons the star receiver has yet to reach a long-term deal with the Cowboys.

Diehards Line: The letter, sent in late February by Jordan Siev, a New York City-based attorney for Reed Smith, also reiterated a prior termination of power of attorney by Bryant. Wells said he had used the power of attorney to handle some of Bryant's affairs the past few years. In March, the team placed the franchise tag on Bryant that will pay him nearly $13 million this season, but the receiver has yet to sign it. The Cowboys want Wells to remain closely involved with Bryant, whether it's providing security when he goes out to clubs or in handling some of his day-to-day responsibilities so the receiver can focus on football. Wells says he has an adviser agreement with Bryant that runs through 2016, but would consider terminating the contract if Bryant's attorneys pay off the remaining amount he is owed. Wells, a crisis management expert, has spent nearly three decades as a private investigator. In the past, he has provided security for former Cowboys players Michael Irvin and Adam Jones. The Cowboys implemented the "Dez Rules" in the summer of 2012, after an incident involving his mother led to a misdemeanor family assault charge that was ultimately dismissed. Wells helped enforced those rules, which ranged from not drinking alcohol to not being out past midnight. ... We'll follow up as needed.