![Jacqueline Clay waits to scrimmage in the Bay Area Derby Girls flat-track roller derby league practice in Oakland, Calif., on Thursday, July 15, 2010. (Liz Hafalia/San Francisco Chronicle via AP Stock Photo - Jacqueline Clay waits to scrimmage in the Bay Area Derby Girls flat-track roller derby league practice in Oakland, Calif., on Thursday, July 15, 2010. (Liz Hafalia/San Francisco Chronicle via AP Stock Photo -](https://l450v.alamy.com/450v/2nj381c/jacqueline-clay-waits-to-scrimmage-in-the-bay-area-derby-girls-flat-track-roller-derby-league-practice-in-oakland-calif-on-thursday-july-15-2010-liz-hafaliasan-francisco-chronicle-via-ap-2nj381c.jpg)
Jacqueline Clay waits to scrimmage in the Bay Area Derby Girls flat-track roller derby league practice in Oakland, Calif., on Thursday, July 15, 2010. (Liz Hafalia/San Francisco Chronicle via AP Stock Photo -
Bay Area Derby - Big shout out to the Juniors that came out to our clinic this afternoon. Be sure to look out for more future clinics! #juniors # rollerderby #bayareaderby #oakland #sanfrancisco #
![Jacqueline Clay (far right) during a scrimmage at the Bay Area Derby Girls flat-track roller derby league practice in Oakland, Calif., on Thursday, July 15, 2010. (Liz Hafalia/San Francisco Chronicle via AP Jacqueline Clay (far right) during a scrimmage at the Bay Area Derby Girls flat-track roller derby league practice in Oakland, Calif., on Thursday, July 15, 2010. (Liz Hafalia/San Francisco Chronicle via AP](https://c8.alamy.com/comp/2NJ37KB/jacqueline-clay-far-right-during-a-scrimmage-at-the-bay-area-derby-girls-flat-track-roller-derby-league-practice-in-oakland-calif-on-thursday-july-15-2010-liz-hafaliasan-francisco-chronicle-via-ap-2NJ37KB.jpg)
Jacqueline Clay (far right) during a scrimmage at the Bay Area Derby Girls flat-track roller derby league practice in Oakland, Calif., on Thursday, July 15, 2010. (Liz Hafalia/San Francisco Chronicle via AP
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