Franklin went 104-45 at Penn State and is tied with the second-most wins by a head coach in program history.
With Drew Allar's Penn State career over, it's Grunkemeyer's turn at the helm for the Nittany Lions.
Penn State sits amongst the bottom four of the Big Ten standings after going 0-3 in its first three conference games.
The Franklin era has to end.
Allar was carted off late in the fourth quarter against Northwestern after a 1-yard scramble.
