There is a particular camera feed (called All-22) that monitors all 22 players at the same time. This particular camera feed is only available to teams, not outside data-collection agencies.
Aha, a time to put forward my personal mantra about when you "know" a particular programming language. It is not perfect, but it is more meant to be thought provoking. It is:
"You only know a language when you know when not to use it"
The irony isn't lost on me.