 During the eighth season of the Super League (2005), the Rock became the first team from the East to win the league Championship defeating the Saskatchewan Prairie Fire (26-13) and again the following season (28-14).The Rock lost the Eastern Final to the Niagara Thunder the following year, but returned in 2008 to beat the Calgary Mavericks for a third title, and the final one of the RCSL's history.In 2009, Rugby Canada and the IRB decided to expand the NA4 competition to become the Americas Rugby Championship.