New Haven or somewhere in Fairfield County would be a far better and logical choice for a professional sports team than Hartford.

Hartford can barely exist as a city - it’s like 12 sq miles and relies entirely on the state of CT to fund tax revenue to it in order for it to continue existing.

New Haven on the other hand allows for access from central CT and Fairfield County, and it has Union station which could allow for a variety of mass transit to/from events. Alternatively, somewhere along the metro north line in Fairfield County would work.

Tying mass transit to a sports team / stadium is critical in a place like CT, as is locating the team in a city that is solvent / growing