The Long and Surprising History of Roller Derby - The New York Times
My best (and worst) live sports experiences, ranked, baseball
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This roller derby isn't a made-for-TV event – Orange County Register
Loco City Derby Girls bring on the jam at first Lodi roller derby
Pittsburgh Roller Derby Undead team ready to lace up skates and
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Rock Town Roller Derby's game-time alter egos, and the real
Roller Derby Redefines What it Means to Be an Athlete
Loco City Derby Girls bring on the jam at first Lodi roller derby
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Male and female brains respond to injury differently, research
The key to longevity and happiness in a full contact sport with
Got plans tonight? Roller derby is coming to Shakopee
Roller Derby / Useful Notes - TV Tropes