West Ham striker Demba ba allegedly refused to sign an autograph for a supporter, after which trouble broke out.
据称西汉姆前锋巴拒绝为某球迷签名，导致了扰乱的爆发。
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This consideration comes in the wake of former Chelsea striker Demba Ba's career-threatening leg fracture, which the U. K. 's Daily Express listed as one of the top 15 worst in history.