Mel B released "I Want You Back" in 2010.
The WFTDA North Central Regional Tournament or WFTDA North Central Region Playoffs was one of four annual roller derby regional qualifying tournaments for the WFTDA Championships .. roller derby. roller derby. WFTDA Championships. WFTDA Championships. North Central Region. WFTDA North Central Region. The Tournament was organised by the Women 's Flat Track Derby Association -LRB- WFTDA -RRB- .. Full WFTDA members in the North Central Region were eligible for ranking , and the top ten leagues would qualify for the North Central Regional Tournament , with the top three finalists qualifying for the Championships .. North Central Region. WFTDA North Central Region. Together , the four qualifying tournaments and Championships were termed the `` Big 5 '' .. Starting with the 2013 WFTDA season , WFTDA 's regions were discontinued in favor of an overall-rankings based system , and a new playoff format was created .