The kicker has a drug habit. The quarterback is making a suspicious number of overseas call. The coach is having an extramarital affair that could be exploited by a blackmailer.
The radio station chief is a con artist rainmaking the agency, he will cut us in if we squeeze him hard enough.
Small potatoes- more realistic: Les Wexner pumped tens of millions into the university to whitewash his reputation; keep them perennial favorites but grease some SEC refs as necessary to keep our guy out of the limelight
A rival team has an ambitious but craven assistant coach who, with a regime change, could be better controlled towards our interests.
Another team's key player couldn't be replaced on short notice, were they to be removed from the board, in a deniable 'gang-related' incident in front of the nightclub they frequent.
The roster of a favored team could be boosted with secret financial incentives to candidates, funded off-the-books by new gambling and prostitution operations.