I suspect 'alcohol-fueled' may not be enough. But if he made any sexual inference in anyway to staff, sponsor or public fueled or not, is enough.
This isn't just hockey but all work environments. And if part of the public eye, they could be a morality clause.
How it impacts his married may be based on the true offense. For example, get loaded at work and say some suggestive stuff to a female coworker, buy your wife a Cartier. Get loaded and fuck your coworker, get a good lawyer.
Glad the rumors is just guy gossip.