NFL

"We'll (play a) preseason game in early August and hopefully we'll have it all worked out by then," Garrett said. Asked directly if OC Bill Callahan will take over play-calling duties, Garrett said he was still "working through the mechanics," but that the Cowboys are "trying to move in that direction." Garrett insisted the decision was up to him. The signs continue to point toward Callahan guiding Big D's offense on game days.