By Chris Rosvoglou Dallas Cowboys owner Jerry Jones made headlines this week by saying he’d welcome a quarterback controversy this season. “Of course I would,” Jones said, via Jon Machota of The Athletic. “Of course, that means we’ve won. If he comes in and plays as well as Prescott plays—if Rush played that well over these next games ahead, I’d walk to New York to get that.” Cooper Rush is currently starting at quarterback for the Cowboys while Dak Prescott recovers from a thumb injury. Last weekend, Rush led the team to a 20-17 victory over the Bengals. Jones’ recent remarks about a quarterb…