By March, it was announced that Atlanta would share a partnership with British Super League club Leeds Rhinos.

They built on their positive first season by winning the 2015 Southern Conference and making it to the Grand Final, eventually losing 44-12 to Boston Thirteens.

The Rhinos failed to build upon their success the following season finishing third however still qualifying for the playoffs and making the semifinals eventually losing to Jacksonville Axemen.

They faced Northern Conference champions New York Knights in the Grand Final who they beat 32-18 to win their first major Championship.

In what would be their final season in the USARL the club were deducted two points for forfeiting a game in round 8 which lead to them finishing third in the Southern Conference and missing out on the playoffs.