Arsenal are set to confirm the signing of Malaga midfielder Santi Carzola after he passed a medical and joined the club at their pre-season training camp in Germany.
The 27-year-old Spain international will sign a long-term contract for a fee below £15m (20m euros).
Malaga's financial problems delayed the move, but it is likely to be announced on Tuesday.
Arsenal are also working on a loan deal for 23-year-old Real Madrid midfielder Nuri Sahin.
They hope to add the Turkey international to a squad already boosted by the arrivals of Germany forward Lukas Podolski and France striker Olivier Giroud from Montpellier.
Doubts remain over the future of captain Robin van Persie, who has said he will not extend his current contract when it expires in 2013.
But the Dutch striker is with the squad in Germany ahead of Sunday's friendly against Cologne on, which was agreed as part of the Podolski transfer.
The Cazorla and Sahin deals are unrelated to Van Persie, but were accelerated by news that Jack Wilshere will not play before October as he continues his recovery from an ankle injury.
Cazorla, who joined Malaga from Villarreal last summer, stands at 5ft 6ins and featured for Spain at the 2008 and 2012 European Championships.
Real Madrid signed Sahin from Borussia Dortmund on a six-year contract in May 2011 but he has struggled to establish himself at the Bernabeu and Real boss Jose Mourinho would let him leave on loan