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Puebla, Mexico (Sports Network) - Edgar Sosa retained his WBC light flyweight title with a sixth-round knockout of Omar Soto Tuesday night.
Sosa (37-5, 21 KOs) made the 10th defense of his title and remained unbeaten since 2003, stretching his winning streak to 25 bouts.
Soto (14-4-1) has lost four of his last seven fights.
09/16 00:59:22 ET
