The answer: $105,000. Oklahoma State paid Broncos QB Peyton Manning $105,000 to give a speech and do a Q&A session for Oklahoma State students. Basically an hour of his time. According to the Tulsa World, not everyone was happy about this, but OSU thought it was a worth it...
OSU’s Speakers Board paid Manning $105,000 for his time. There was debate on campus as to whether Manning was worth the price tag to bring him to Stillwater. Chairman Patrick Alland the money was well spent and he would do it again.
That's a lot of Papa John's.