With the Oregon Ducks kicking off fall camp this week, here are the most intriguing position battles to monitor over the next month.

EUGENE — Replacing first- and third-round draft picks on the interior defensive line was once a monumental task for Oregon, but no longer is as daunting. To be sure, replacing Derrick Harmon and Jamaree Caldwell will not be easy. But A’Mauri Washington and Bear Alexander are talented in their own right and have high upside.