It is there in the linked article. You only need to scroll down a few paragraphs.
I will go ahead and post it here for you since you missed it.
Example of agent playing one school against another to get the coach a raise.
Purdue coach Jeff Brohm, a middling 13-12 in two seasons with the Boilermakers, received
a 50-percent raise ($4 million to $6 million) last month. He was courted by Louisville, his alma mater, with a seven-year deal for $35 million.
You think I make this stuff up, and it really does not happen? Do you never watch sports news? It happens in football, basketball, and baseball.