The numbers are startling. An average NFL broadcast lasts well over three hours, yet it delivers a total of only 18 minutes of football action.How Much Football Is Even In A Football Broadcast? | FiveThirtyEight
But somehow, viewers feel they are getting value from the broadcast. There are lessons in here in attention, the need to take a moment to processing what you have seen or heard, and maintaining interest.
The website at the link (FiveThirtyEight) is an excellent source of deeper analytics and modeling about season long sports. And elections, which is much the same as sports these days.