Yossi Benayoun will start his second Premier League game of the season against Swansea at the Liberty Stadium on Sunday.
Ignasi Miquel and Johan Djourou - back from suspension - will occupy the full-back berths for the trip to south Wales.
Per Mertesacker returns from illness at the heart of defence, while captain Robin van Persie returns from Monday night's FA Cup win over Leeds to spearhead the attack.
Thierry Henry, goalscorer in the Third-Round victory, is named among the substitutes.
Team in full: Szczesny, Djourou, Mertesacker, Koscielny, Miquel, Song, Ramsey, Benayoun, Walcott, Arshavin, Van Persie.
Substitutes: Almunia, Yennaris, Squillaci, Rosicky, Oxlade-Chamberlain, Henry, Park.Copyright 2015 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source