| Commonwealth Games heptathlon champion Kelly Sotherton says she will struggle to win more silverware unless she makes major improvements to her performance. The 29-year-old is unhappy with her overall display in Melbourne, despite claiming her first major title. "I won gold but I'm disappointed with my performance - it wasn't exceptional," Sotherton told BBC Sport. "I will only have a chance of a medal at the Europeans this summer if I improve in all my events."
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