Of course, they always have. Although, they've denied it. But no more.
https://pittsburgh.forums.rivals.com/threads/2018-panthers-2016-nittany-lions.135219/
I'm just not sure how many different ways one can say "Little Brother".
https://pittsburgh.forums.rivals.com/threads/2018-panthers-2016-nittany-lions.135219/
I'm just not sure how many different ways one can say "Little Brother".