As for Missouri, they had won their first three games en route to being ranked #9 prior to playing Penn State at home.
Purdue scored first on a Mark Herrmann touchdown pass to Bart Burrell to give the team a 7-0 lead in the first quarter.
James Wilder scored on a touchdown plunge with 8:44 to go in the half to narrow the lead, but the conversion attempt failed, keeping it at 14-12.
In the fourth quarter, Herrmann deliberately knelt in the endzone in order to do a free kick, which made it 28-17.
Terry Hill scored on a plunge from a yard out to narrow the lead, with a pass from Phil Bradley to Tim Hornof for the successful conversion to make it 28-25.