Steve Wilks was leaving no questions about his quarterback depth chart Saturday -- at least at the top.

Beyond that, OK, maybe there is still a question.

After an offseason of conversation and speculation that rookie Josh Rosen could beat out Sam Bradford as the starter for the Cardinals, Wilks said not only was Bradford the starter but Rosen still has to beat out veteran Mike Glennon as the No. 2.

"Competition across the board makes you better and I wouldn't have it any other way," Wilks said. "I want Josh with the mentality he wants to start.

"I don't waver that Sam is our starter. It's his job to lose."

As for the backup spot, "it's still open," Wilks said.

"I think Josh is doing a great job, as well as Mike Glennon," Wilks said. "Those guys are getting the reps they need, and once we really get into the swing of things, particularly with me, it comes down to preseason games and giving those guys the chance to get in there and perform. We see how they really start separating themselves."

While the Cardinals could in the end carry two quarterbacks if Rosen were to win the No. 2 job, given Bradford's injury history that keeping all three seems much more likely. Rosen received an extensive amount of first-unit reps in offseason work as Bradford was held out to protect his troubled knee.

Bradford, calling Rosen a "good kid," reiterated that he wants to continue to be a mentor to the rookie.

"He's eager to learn, he wants to learn, he wants to be great," Bradford said, adding, "at the same time I'm going to compete, do my best to play at the highest level I am capable."