- 问题详情:Springsoccerseasonisunderway,andmanyyouthleaguesareplayingundernewsafetyNovember,theUSSoccerFederationsaidthatplayersonitsteamswhoare10oryoungerarenolongerallowedtoheadtheball.Playersages11to13havelimitsonhowoftentheycanpracticenewrulesaremad...
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