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Every NFL team's biggest question mark as training camp opens

Yardbarker Logo By Seth Trachtman of Yardbarker | Slide 1 of 32: While the additions of head coach Kliff Kingsbury and quarterback Kyler Murray should make Arizona's offense more creative, the team's success starts with the offensive line. It was a major source of its offensive struggles last season, but the Cardinals hope the additions of veterans Marcus Gilbert and J.R. Sweezy make a difference.

Arizona Cardinals: offensive line

While the additions of head coach Kliff Kingsbury and quarterback Kyler Murray should make Arizona's offense more creative, the team's success starts with the offensive line. It was a major source of its offensive struggles last season, but the Cardinals hope the additions of veterans Marcus Gilbert and J.R. Sweezy make a difference.

© Mark J. Rebilas / USA Today Sports Images

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