Pellegrini Claims He Doesn't Know Why Arsenal Allowed 'Very Good' Jack Wilshere to Join West Ham

New West Ham boss Manuel Pellegrini has been left mystified over Arsenal's allowing of Jack Wilshere to leave the Emirates as a free agent. The English midfielder will return to his old stomping ground for both teams' third fixture of the Premier League season this Saturday, having joined the Hammers following the expiration of his contract in June. And speaking ahead of the clash, Pellegrini claimed to have no idea how Arsenal could let a player of Wilshere's quality leave. ​"I played here... Via All the latest breaking football news, transfer rumours, analysis, and match reports - 90min http://www.90min.com/