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Mikel Arteta has lauded Xabi Alonso and Chelsea for their shrewd acquisition of Emiliano Martinez as Arsenal prepare to host their London rivals in a blockbuster early-season clash. The Spanish tactician believes the World Cup-winning goalkeeper is exactly what the Blues needed to solidify their defence and significantly enhance their Premier League title credentials this term.

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Mikel Arteta has hit back at suggestions that Arsenal have left themselves short in attack following a high-profile summer exodus at the Emirates Stadium. Despite sanctioned departures for three senior forwards, the Gunners boss remains adamant that the club's recruitment strategy was both ambitious and calculated.

Chelsea manager Xabi Alonso faces an anxious wait over the fitness of vice-captain Moises Caicedo ahead of Sunday's crucial London derby against Arsenal. The Ecuador international is a major doubt for the trip to the Emirates Stadium after suffering his second injury setback in the space of just two weeks.