Colin Cowherd: Patrick Mahomes 'is his own market' and shouldn't affect Dak Prescott

With Dak Prescott still unsigned to a long-term deal, fellow QB Patrick Mahomes signed the richest deal in NFL history. Hear why Colin Cowherd doesn't think Mahomes' contract should affect Dak's next contract.

National Football League Dak Prescott Patrick Mahomes Dallas Cowboys Kansas City Chiefs Colin Cowherd