I've mentioned this before: consumer fraud. The poster above is right, it probably would be dismissed because you're still getting what you pay for, i.e., a (supposedly and subjectively) entertaining game, not a winning outcome.
But it sure would be a fun Complaint to draft. Lying about the medical status of the first round pick, firing coaches and shedding salaries the week before the season starts (once ticket sales have mostly been locked in), hell we could cram 400 paragraphs of narrative into that baby for the last 6 years alone.