By Ray Hui - Editor
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13 out of the 22 competitors at UFC 100 underwent drug testing Saturday and all passed. Read More: brocklesnar, frankmir, georgesst.pierre, jonfitch, jonjones, thiagoalves, ufc 100, ufc100, yoshihiroakiyama, Brock Lesnar (MMA), Frank Mir (MMA), Georges St. Pierre (MMA), Jon Fitch (MMA), Jon Jones (MMA), Thiago Alves (MMA), Yoshihiro Akiyama (MMA)
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