Mahaffey has spent three years in the Big Ten, one of which at Penn State.
The Nittany Lions lost their first game in Big Ten play.
The four-star recruit will join the Nittany Lions next season.
"This child went from really nothing to having this gigantic, loving, caring family."
The sophomore's new juice box-themed logo is available on 13 different clothing items.
Six Nittany Lions had at least three points in the victory.