By Arsenal correspondent Tony Hughes

Tomas Rosicky is set for a lengthy spell on the sidelines days after his comeback match, Arsene Wenger has confirmed.

Football Insider reported on Sunday that the veteran midfielder damaged a thigh muscle on Saturday in his first match of the season.

Speaking on Monday morning at his pre-match media conference ahead of Tuesday night’s Premier League clash against Southampton, Wenger said: “Everyone who played is available. The only problem is Rosicky picked up an injury.

“It is a thigh problem. We don’t know how deep the problem is but we will have a scan.”

The fear of Gunners medics is that the Czech international could be out for two months in yet another injury blow to manager Wenger.

Rosicky made his first appearance of the season, and his first since last May, as a 71st minute substitute in Saturday’s 2-1 FA Cup win over Burnley.

There will now be fears that the 35-year-old, who is out of contract in the summer, has played his last match for the club he joined from Borussia Dortmund in the summer of 2006.

It is yet another injury blow for Arsene Wenger whose season has been disrupted by losing key players, particularly in midfield.

Francis Coquelin made his return on Saturday after two-and-a-a-half months out but Jack Wilshere and Santi Cazorla are still sidelined.