Wisconsin defensive coordinator Jim Leonhard, who was Badgers' interim coach, says he won't return in 2023 | CBS Sports Headlines Wisconsin defensive coordinator Jim Leonhard, who was Badgers' interim coach, says he won't return in 2023 It was originally thought Leonhard might be on Luke Fickell”s staff next season ESN … Continue reading Wisconsin defensive coordinator Jim Leonhard, who was Badgers' interim coach, says he won't return in 2023