Navorro Bowman has returned to practice after missing most of the last three games with sore right groin. Paterno said he's not sure about his availability for Saturday, either.
But middle linebacker Josh Hull said Bowman has looked good so far. He thinks the team's leading tackler last year will be ready for the Hawkeyes (3-0).
Lee and Bowman both are listed as possible on the depth chart.
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