Jerry Jones not sure if Cowboys can re-sign Dak Prescott and field a successful team

Dallas Cowboys owner Jerry Jones addressed ongoing contract negotiations with quarterback Dak Prescott in an interview with Stephen A. Smith Wednesday. 

Jones expressed skepticism the team could afford to re-sign Prescott to a new contract and have enough salary cap space to sign other key players. 

Jones pointed to recent restructuring of contracts that will ensure the Cowboys have to continue paying Prescott millions after this year whether he re-signs or not. Prescott will count...