RIO DE JANEIRO, July 4 (Xinhua) -- Vasco da Gama has signed Philippe Coutinho on a free transfer after the midfielder parted ways with Aston Villa, the Brazilian Serie A club said on Friday.

近年来，欧洲五大联赛的球员转会市场频频创造纪录，顶级球星的身价持续攀升。无论是英超、西甲、意甲还是德甲，各大豪门俱乐部在引援方面都投入了巨额资金，力求通过高额签约来增强球队实力。下面我们整理出截至目前英超、西甲、意甲及德甲历史上最昂贵的五笔引援，呈现 ...