Founded in early 2006, the league was the first in the new flat-track roller derby movement that featured both women's and men's teams.

[2] Early members of the league included "Big Vinny's Kid", the daughter of a former roller derby skater.

[4] The MDC subsequently became the Men's Roller Derby Association (MRDA), and Erich Bennar of Pioneer Valley was elected as its president in 2011.

[5] The Dirty Dozen were ranked fifth for the 2011 MRDA Championship,[6] although they lost both their bouts, to finish sixth.

One skater from Pioneer Valley was selected for France at the 2011 Roller Derby World Cup.