Arizona Diamondbacks CEO: Staying at Chase Field 'risk'

(Photo: Michael Chow/The Republic)The Arizona Diamondbacks are threatening to sue Maricopa County and leave downtown Phoenix if the team isn't provided with a "state of the art" stadium, according to records obtained by The Arizona Republic.

The team said it sent a letter today to Maricopa County officials that originally was drafted in January. It says the team wants to stay in downtown Phoenix, but "if there is no other choice, we will go elsewhere." The letter also says if the team determines that a retrofit of Chase Field is not feasible and if the county doesn't grant permission for the team to look elsewhere, "we will ask the court for all appropriate relief."

The team, in another…