The preseason, though, will be his chance to shine, beginning Saturday night when the Cardinals play at home against the Los Angeles Chargers.
Sam Bradford is Arizona’s starter but the Cardinals view Rosen as their franchise quarterback of the future. Why else would they have moved up five spots in the draft to pluck him 10th overall?
“The most tangible is probably the playbook,” he said. “I feel a lot more comfortable and fluid with it at the line of scrimmage. I’m focusing more and more with what the defense is trying to do to me rather than making sure I get the right snap count and in the right protection.