2. Arizona Diamondbacks
Average ticket price: $16.89
Change from 2012: +7.3%A big air-conditioned building in Chase (JPM) Field, a pool behind the outfield wall, $4 beers, Alice Cooper's restaurant right outside and a team that's occasionally playoff caliber. Yep, that's a pretty strong argument for Phoenix-area residents to leave their houses during the hottest part of the year.