Cost to sponser a professional arena

[UntilTheNDofTimE]

How much do these companies pay to get a building named after them,? Like the target center, arco arena, the delta center( in past), etc.....

Is it really worth the marketing cost

[rookie]

http://www.namingrightsonline.com/major_leagues.htm

Arco Arena - $7.5 million / 10yrs ; Delta Center - $25million / 20 yrs; Target - $18.75million / 15 yrs