As much as I dislike 'defending' Jerry Jones, it is necessary to throw some rationalization into a 'Jones is only football greedy' conversation. Per Sportico.com, which has an article that highlights this same graph also:
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The NFL cap was $208 million last year with teams also required to kick in more than $40 million apiece for player benefits, but the check teams received from the league office more than covered that expense. National revenue from media and sponsorship partners was $12 billion last year, or 64% of the league’s $17.8 billion in total revenue,
which meant each team received nearly $375 million before selling a ticket, beer or local sponsorship. This season, that check is expected to approach $400 million.
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The math is mathing if anyone looks closer at these huge numbers. What I wished more media or news outlets would investigate and publish about is what Jones makes
OUTSIDE of the National Football League and anything directly connected with stadium events. It might then give observers something to contemplate more on how dependent Jones is for things considered valuable to him.