Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: Overeem was rumored to make his first title defense against Heavyweight Brett Rogers on June 6 at , however a hand injury scuttled plans for the fight. According to Golden Glory manager Bas Boon, Overeem had suffered a hand infection following a nightclub brawl early May 2009. According to Boon, Alistair and _his_ brother Valentijn - both heavyweights - had been involved in an altercation that left five security staff needing hospital treatment and nearly cost Alistair his hand. <sep>, Pronoun: his

Alistair