![Metz Roller Girls durante un torneo nacional en Nantes, al oeste de Francia el 17 de marzo de 2012. Roller Derby es un deporte de contacto inventado por Estados Unidos. El juego Metz Roller Girls durante un torneo nacional en Nantes, al oeste de Francia el 17 de marzo de 2012. Roller Derby es un deporte de contacto inventado por Estados Unidos. El juego](https://c8.alamy.com/compes/2e0bb4n/metz-roller-girls-durante-un-torneo-nacional-en-nantes-al-oeste-de-francia-el-17-de-marzo-de-2012-roller-derby-es-un-deporte-de-contacto-inventado-por-estados-unidos-el-juego-involucra-a-dos-equipos-de-jugadores-que-estan-compitiendo-alrededor-de-una-pista-oval-en-cada-equipo-hay-un-jugador-de-puntuacion-designado-como-el-jammer-entre-los-otros-miembros-llamados-blockers-la-verdadera-carrera-esta-ocurriendo-entre-los-dos-jammers-mientras-que-los-bloqueadores-estan-tratando-de-derribar-foto-de-laetitia-notarianni-abacapress-com-2e0bb4n.jpg)
Metz Roller Girls durante un torneo nacional en Nantes, al oeste de Francia el 17 de marzo de 2012. Roller Derby es un deporte de contacto inventado por Estados Unidos. El juego
![Metz Roller Girls (red) playing a match against Strasbourg Roller Derby Girls (blue) during a national tournament in Nantes, western France on March 17, 2012. Roller Derby is an American-invented contact sport. Metz Roller Girls (red) playing a match against Strasbourg Roller Derby Girls (blue) during a national tournament in Nantes, western France on March 17, 2012. Roller Derby is an American-invented contact sport.](https://c8.alamy.com/comp/2E0BB4G/metz-roller-girls-red-playing-a-match-against-strasbourg-roller-derby-girls-blue-during-a-national-tournament-in-nantes-western-france-on-march-17-2012-roller-derby-is-an-american-invented-contact-sport-the-game-involves-two-teams-of-players-who-are-racing-around-an-oval-racetrack-in-each-team-there-is-a-scoring-player-designated-as-the-jammer-among-the-other-members-called-blockers-the-real-race-is-occuring-between-the-two-jammers-while-the-blockers-are-trying-to-bring-them-down-photo-by-laetitia-notarianniabacapresscom-2E0BB4G.jpg)
Metz Roller Girls (red) playing a match against Strasbourg Roller Derby Girls (blue) during a national tournament in Nantes, western France on March 17, 2012. Roller Derby is an American-invented contact sport.
![Metz Roller Girls (red) playing a match against Strasbourg Roller Derby Girls (blue) during a national tournament in Nantes, western France on March 17, 2012. Roller Derby is an American-invented contact sport. Metz Roller Girls (red) playing a match against Strasbourg Roller Derby Girls (blue) during a national tournament in Nantes, western France on March 17, 2012. Roller Derby is an American-invented contact sport.](https://c8.alamy.com/comp/2E0BB5E/metz-roller-girls-red-playing-a-match-against-strasbourg-roller-derby-girls-blue-during-a-national-tournament-in-nantes-western-france-on-march-17-2012-roller-derby-is-an-american-invented-contact-sport-the-game-involves-two-teams-of-players-who-are-racing-around-an-oval-racetrack-in-each-team-there-is-a-scoring-player-designated-as-the-jammer-among-the-other-members-called-blockers-the-real-race-is-occuring-between-the-two-jammers-while-the-blockers-are-trying-to-bring-them-down-photo-by-laetitia-notarianniabacapresscom-2E0BB5E.jpg)
Metz Roller Girls (red) playing a match against Strasbourg Roller Derby Girls (blue) during a national tournament in Nantes, western France on March 17, 2012. Roller Derby is an American-invented contact sport.
![Paris Roller Girls (rojo) jugando un partido contra Metz Roller Derby Girls (azul) durante un torneo nacional en Nantes, oeste de Francia el 17 de marzo de 2012. Roller Derby es un Paris Roller Girls (rojo) jugando un partido contra Metz Roller Derby Girls (azul) durante un torneo nacional en Nantes, oeste de Francia el 17 de marzo de 2012. Roller Derby es un](https://c8.alamy.com/compes/2e0bb4t/paris-roller-girls-rojo-jugando-un-partido-contra-metz-roller-derby-girls-azul-durante-un-torneo-nacional-en-nantes-oeste-de-francia-el-17-de-marzo-de-2012-roller-derby-es-un-deporte-de-contacto-inventado-por-estados-unidos-el-juego-involucra-a-dos-equipos-de-jugadores-que-estan-compitiendo-alrededor-de-una-pista-oval-en-cada-equipo-hay-un-jugador-de-puntuacion-designado-como-el-jammer-entre-los-otros-miembros-llamados-blockers-la-verdadera-carrera-esta-ocurriendo-entre-los-dos-jammers-mientras-que-los-bloqueadores-estan-tratando-de-derribar-foto-de-laetitia-notarianni-abacapress-com-2e0bb4t.jpg)