The 25-year-old wideman will compete with Henrikh Mkhitaryan and Alex Iwobi for a place in the Gunners line-up during the second half of the season
Arsenal are closing in on a loan deal for Denis Suarez after head coach Unai Emery convinced the wideman to join the Gunners, Goal understands.
Emery confirmed in a pre-match press conference on Thursday that Arsenal will not be making any permanent signings during the January transfer window , but admitted that loan signings are possible.
The Gunners brought in Lucas Torreira, Bernd Leno, Sokratis Papastathopoulos and Matteo Guendouzi during the summer transfer window and are expecting an increased transfer budget this summer when their new £300m kit deal with Adidas kicks in.