Penn State Nittany Lions

WATCH: PSU alum Keegan-Michael Key surprises football team dressed as Coach Franklin

Published Oct. 9, 2015 12:45 p.m. ET

Brett Smiley

The Penn State football team sniffed out the imposter pretty quickly but the professional that he is, Keegan-Michael Key stayed in character and delivered a solid performance as head football coach James Franklin.

A Nittany Lions alumnus and one-half of the brilliant sketch show "Key & Peele," Key returned to campus for the gag during homecoming week for which he will serve as the grand marshal. On Saturday, the 4-1 Nittany Lions host the Indiana Hoosers, who gave No. 1 ranked Ohio State a bit of a scare last week.

See the whole video here: