Persa has been working to return from his season-ending Achillies injury, which occurred during Northwestern's win against Iowa. Throughout preseason practices, he was limited and Colter took the majority of reps with the first-team offense.
Last season, Persa threw for 2,581 yards and 15 touchdowns in ten games. Colter completed three of nine passes for 38 yards during his three games of experience.
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