NCAA teams are struggling with Covid outbreaks. How does that affect the NFL?

Wrong, it does not SIGNIFICANTLY reduce your risk.

“At this time, the U.S. Food and Drug Administration has not approved any type of surgical mask specifically for protection against the coronavirus, but these masks may provide SOME protection“

It helps, as long as people follow the other guidelines, of washing hands, not touching your face (mouth,nose, eyes). Simply by wearing a mask, does not SIGNIFICANTLY reduce your risk.

Nice try buddy.

There has been a ton of research done recently around this. Here's one good example:

https://www.healthaffairs.org/doi/10.1377/hlthaff.2020.00818
I know you're probably not the "read a scientific analysis paper" type, so I'll spare you the trouble and just tell you that what you've said above is completely incorrect.