As he settled into the back line for West Ham , the club was caught up in a maelstrom as it acquired two promising Argentines -- striker Carlos Tevez and midfielder Javier Mascherano -- then acquired a new owner , the Icelandic businessman Eggert Magnusson , who paid $ 168 million for the club and then promised a move from Upton Park to London 's Olympic Stadium after the 2012 Summer Games . ''