The execs at the NFL are Ivy-League snob types and Manhattan liberal socialites. Many of them probably don't know a single Trump supporter.
It's what makes former Clinton press secretary and NFL spokesman Joe Lockhart sneer that "Trump is out of touch" right before getting his lunch handed to him.
If they weren't such good buds with each other, they'd be fired. Like all lefties who capture executive positions, they aren't increasing the owners' value, that's for sure.