[Phantom Lord]

It has been shown over and over that the presence of a pro sports team in a town does not provide a net gain in tax revenue for the city. The cost of the tax giveaways and the tax payer money plowed into the stadiums is a net loser for the government.

[Grando Calrissian]

It has been shown over and over that the presence of a pro sports team in a town does not provide a net gain in tax revenue for the city.

Perhaps, but you're dealing with far too many intangibles to defintively say it has no benefit.