Notre Dame strength coach Matt Balis resigns before season opener

Balis had served as Notre Dame's director of football performance since 2017.
Balis' resignation comes right before Notre Dame's season opener against Navy in Dublin.
Marcus Freeman expressed respect for Balis and gratitude for his leadership during the summer program.
Fred Hale, Balis' associate, will take over the strength and conditioning program.
The reason for Balis' resignation is unspecified personal reasons.