By the time the Connecticut Sun moved in, Val Ackerman was the WNBA president and Mark L. Prior to the fall of 2002, the NBA operating model precluded any WNBA team without an NBA 'brother' counterpart. On January 28, 2003, the arena was announced as the official home court for the Connecticut Sun.

The winner won four season tickets for the 2002 Mohegan Wolves season, dinner for four on the night of the team's first home game, and a team merchandise package. A Jewett City resident, came up with the winning name. The team name was selected through a 'Name the Team' contest sponsored by WCTY, Mohegan Sun and X-Tra Mart. Gary Porter, previously led the expansion Peoria Pirates to a 7–9 record in 2001. Margenau introduced Gary Porter, as the head coach for the team that would first take the field Apat the Mohegan Sun Arena against the Albany Conquest. Eric Margenau, President/Chief Executive Officer of United Sports Ventures, announced that the new expansion AF2 franchise would be named the Mohegan Wolves.

On December 12, 2001, Mohegan Sun and Dr. On July 19, 2001, Uncasville was awarded an AF2 expansion team. The arena originally served as home of the Mohegan Wolves arena football team until it was sold and moved to Manchester, New Hampshire in 2004. Major network and cable television broadcasting companies, including CBS, NBC, ABC, FOX, ESPN and CNN have all produced events through this arena. The largest event on record to have been held at the arena was the inaugural Barrett-Jackson collector car auction in the Northeast in 2016, for which 90,000 tickets were sold to the multi-day event. The multi-purpose facility has hosted a wide variety of events including the American Kennel Club, WWE, concerts from major classical, country, jazz, metal, rap, rock, and pop acts, as well as sporting events such as PBR events, Bellator, NCAA games, PBA tournaments, early UFC bouts, and the World's Strongest Man Super Series Competition.

It was built by the Perini Building Company, and opened in October 2001. The arena facility features 30,000 square feet (2,800 m 2) of configurable exhibition space and a 400-foot (120 m) clear span. The Mohegan Sun Arena is a 10,000 seat multi-purpose arena in the Uncasville area of Montville, Connecticut located inside the Mohegan Sun casino resort. New England Black Wolves ( NLL) (2015–2021)

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