Arsenal have been handed a blow as it appears that top academy talent Chido Obi-Martin will now depart the club after failing to agree scholarship terms. The 16-year-old was outstanding for the Arsenal under-18s last season, breaking academy records by scoring 32 goals in 18 under-18 Premier League matches. The striker is one of the best talents in the Hale End Academy, and Arsenal were keen to tie him down to a scholarship contract until his 17th birthday, at which point he would sign professional terms. However, clubs including Bayern Munich had unsettled the striker, and it now seems likely…