Wisconsin's nation-leading rushing defense will have its hands full with the Black Knights' triple-option rushing attack that ranks second in the country.
Badgers' veteran receivers stand out in practice and other observations from football training camp.
Key returners: Caesar Williams (redshirt sr.), Faion Hicks (redshirt jr.), Deron Harrell (redshirt jr.), Rachad Wildgoose (jr.), Donte Burton (redshirt soph.), Semar Melvin (redshirt fr.).