If you live in an area where roller derby leagues have sprouted up over the last decade like the many heads of a hydra, transferring to another league may have crossed your mind. Maybe another outfit works better geographically for you or you want to try a different level of competition or your current league no longer meets your needs as a skater. Two years ago, I made the leap from a league I skated with for about five seasons to an older, more competitive league in my town. It was a hard decision to make because I felt like I was abandoning my old league, which had given me so much over the years, and the friendships I’d made there. However, I was…