CHICAGO (CBS) — As if it wasn’t tough enough to open the season again Aaron Rodgers, now the Bears face a potentially more difficult opponent in the Arizona Cardinals.

“They are probably as good or better than the Green Bay Packers,” WBBM Bears analyst Tom Thayer said.

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“Defensively, it’s one of the fastest, most confusing up front defenses I have seen.”

“The concentration level of the (Bears) offense will need to be at an all-time high.”

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On the plus side, the Bears should be able to take advantage of the Cardinals’ banged-up offensive line, Thayer said.

Unlike the more mobile Rodgers last week, “You can attack the quarterback (Carson Palmer) a bit more and that helps you get to the running back,” he said.

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