 Complete the following phrase:  On 1 September 2008, it was announced that Ćorluka had signed for Tottenham Hotspur for a fee of 8.5 million on a six-year contract, joining his fellow Croatian international and best friend Luka Modrić at the club. During the match against Stoke City on 19 October, Ćorluka was severely injured; kneed under his chin by teammate Heurelho Gomes, he was immediately knocked unconscious. After ten minutes of on-field treatment, he was rushed to hospital where it was announced no serious damage was evident. In the League Cup 